Measurements & Conversions
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Note: A Redefinition of SI base units was done by the General Conference on Weights and Measures on November 16, 2018. This page does not incorporate those changes.

* indicates exact conversion

Acres
To Convert From: Multiply By:
acres to square miles 0 . 0015625*
acres to square yards 4840 . 0*
acres to square feet 43560 . 0*
acres to square inches 6272640 . 0*
acres to square kilometers 0 . 0040469
acres to square meters 4046 . 8564224
acres to square centimeters 40468564 . 224
acres to square millimeters 4046856422 . 4
acres to hectares 0 . 4046856

Atmospheres
To Convert From: Multiply By:
atmospheres to bars 1 . 01325*
atmospheres to inches of mercury 29 . 921256
atmospheres to inches of water 406 . 80172
atmospheres to kilograms per square centimeter 1 . 0332275
atmospheres to kilopascals 101 . 325*
atmospheres to millibars 1013 . 25*
atmospheres to pounds per square inch 14 . 695949

Barrels
To Convert From: Multiply By:
barrels, non-oil liquid, to cubic feet 4 . 2109376
barrels, non-oil liquid, to cubic meters 0 . 1192405
barrels, non-oil liquid, to gallons 31 . 5*
barrels, non-oil liquid, to liters 119 . 24047
barrels, oil, to cubic feet 5 . 6145833
barrels, oil, to cubic meters 0 . 1589873
barrels, oil, to gallons 42 . 0*
barrels, oil, to liters 158 . 98729

Bars
To Convert From: Multiply By:
bars to atmospheres 0 . 9869233
bars to inches of mercury 29 . 529983
bars to inches of water 401 . 48716
bars to kilograms per square centimeter 1 . 0197168
bars to kilopascals 100 . 0*
bars to millibars 1000 . 0*
bars to pounds per square foot 2088 . 5434
bars to pounds per square inch 14 . 503774

BTUs
To Convert From: Multiply By:
BTUs to calories 251 . 99576
BTUs to horsepower-hours 0 . 000393
BTUs to joules 1055 . 0559
BTUs to kilogram-meters 107 . 58576
BTUs to kilowatt-hours 0 . 0002931
BTUs to kilojoules 1 . 0550559
BTUs to pounds-feet 778 . 16927
BTUs to watt-hours 0 . 2930711
BTUs per gallon to megajoules per cubic meter 0 . 279
BTUs per gallon to megajoules per liter 0 . 000279
BTUs per minute to horsepower 0 . 0235809
BTUs per minute to kilowatts 0 . 0175843
BTUs per pound to joules per kilogram 2326 . 0*
BTUs per pound to kilojoules per kilogram 2 . 326*
BTUs per pound to magajoules per kilogram 0 . 002326*

Calories
To Convert From: Multiply By:
calories to BTUs 0 . 0039683
calories to joules 4 . 1868*
calories to kilogram-meters 0 . 4269348
calories to pounds-feet 3 . 0880252
calories to watt-hours 0 . 001163

Centiliters
To Convert From: Multiply By:
centiliters to deciliters 0 . 1*
centiliters to liters 0 . 01*

Centimeters
To Convert From: Multiply By:
centimeters to inches 0 . 3937008
centimeters to hands 0 . 0984252
centimeters to feet 0 . 0328084
centimeters to meters 0 . 01*
centimeters to microns 10000 . 0*
centimeters to millimeters 10 . 0*
centimeters to mils 393 . 7007874
centimeters to yards 0 . 0109361
centimeters per second to feet per second 0 . 0328084
centimeters per second to kilometers per hour 0 . 036*
centimeters per second to miles per hour 0 . 0223694
centimeters per second per second to feet per second per second 0 . 0438084
centimeters per second per second to g 0 . 001097
centimeters per second per second to meters per second per second 0 . 01*

Circles (= Circumferences)
To Convert From: Multiply By:
circles to circumferences 1 . 0*

Circumferences (= Circles)
To Convert From: Multiply By:
circumferences to circles 1 . 0*
circumferences to degrees 360 . 0*
circumferences to grades 400 . 0*
circumferences to minutes 21600 . 0*
circumferences to quadrants 4 . 0*
circumferences to radians 6 . 2831853
circumferences to seconds 1296000 . 0*

Cubic Centimeters (= Milliliters)
To Convert From: Multiply By:
cubic centimeters to cubic inches 0 . 0610237
cubic centimeters to cubic feet 0 . 00003532
cubic centimeters to cubic meters 0 . 000001*
cubic centimeters to gallons 0 . 0002642
cubic centimeters to liters 0 . 001*
cubic centimeters to milliliters 1 . 0*
cubic centimeters to ounces, fluid 0 . 033814
cubic centimeters to pints 0 . 0021134
cubic centimeters to quarts 0 . 0010567

Cubic Feet
To Convert From: Multiply By:
cubic feet to cubic centimeters (milliliters) 28316 . 846592
cubic feet to cubic inches 1728 . 0*
cubic feet to cubic meters 0 . 0283168
cubic feet to cubic yards 0 . 037037
cubic feet to gallons 7 . 4805195
cubic feet to liters 28 . 3168466
cubic feet to ounces, fluid 957 . 50649
cubic feet to pints 59 . 844156
cubic feet to quarts 29 . 922078
cubic feet, water, to pounds 62 . 424215

Cubic Inches
To Convert From: Multiply By:
cubic inches to cubic centimeters (milliliters) 16 . 387064
cubic inches to cubic feet 0 . 0005787
cubic inches to cubic yards 0 . 000021433
cubic inches to gallons 0 . 004329
cubic inches to liters 0 . 016387064
cubic inches to ounces, fluid 0 . 5541126
cubic inches to pints 0 . 034632
cubic inches to quarts 0 . 017316
cubic inches, water, to pounds 0 . 0361251

Cubic Meters
To Convert From: Multiply By:
cubic meters to cubic centimeters (milliliters) 1000000 . 0*
cubic meters to cubic feet 35 . 314667
cubic meters to cubic yards 1 . 3079506
cubic meters to gallons 264 . 17205
cubic meters to liters 1000 . 0*
cubic meters, water, to kilograms (at 4°C under 1 atmosphere) 1000 . 0*
cubic meters, water, to pounds 2204 . 4903

Cubic Yards
To Convert From: Multiply By:
cubic yards to cubic feet 27 . 0*
cubic yards to cubic inches 46656 . 0*
cubic yards to cubic meters 0 . 7645549
cubic yards to gallons 201 . 97403
cubic yards to liters 764 . 55486

Deciliters
To Convert From: Multiply By:
deciliters to centiliters 10 . 0*
deciliters to liters 0 . 1*

Degrees
To Convert From: Multiply By:
degrees to circumferences 0 . 0027778
degrees to grades 1 . 1111111
degrees to minutes 60 . 0*
degrees to quadrants 0 . 0111111
degrees to radians 0 . 0174533
degrees to seconds 3600 . 0*

Fathoms
To Convert From: Multiply By:
fathoms to feet 6 . 0*
fathoms to meters 1 . 8288*
fathoms to yards 2 . 0*

Feet
To Convert From: Multiply By:
feet to centimeters 30 . 48*
feet to fathoms 0 . 1666667
feet to furlongs 0 . 0015152
feet to inches 12 . 0*
feet to hands 3 . 0*
feet to kilometers 0 . 0003048
feet to meters 0 . 3048*
feet to mils 12000 . 0*
feet to yards 0 . 3333333
feet per second to centimeters per second 30 . 48*
feet per second to feet per minute 60 . 0*
feet per second to kilometers per hour 1 . 09728*
feet per second to knots 0 . 5924838
feet per second to meters per second 0 . 3048*
feet per second to miles per hour 0 . 6818182
feet per second per second to centimeters per second per second 30 . 48*
feet per second per second to g 0 . 0310809
feet per second per second to meters per second per second 0 . 3048*

Furlongs
To Convert From: Multiply By:
furlongs to feet 660 . 0*
furlongs to meters 201 . 168*
furlongs to miles 0 . 125*
furlongs to yards 220 . 0*

G (Gravity Constant)
To Convert From: Multiply By:
g to centimeters per second per second 980 . 665*
g to feet per second per second 32 . 174049
g to meters per second per second 9 . 80665*

Gallons (U.S.)
To Convert From: Multiply By:
gallons to cubic centimeters (milliliters) 3785 . 4118
gallons to cubic feet 0 . 1336806
gallons to cubic inches 231 . 0*
gallons to cubic meters 0 . 0037854
gallons to cubic yards 0 . 0049511
gallons to liters 3 . 7854118
gallons to ounces, fluid 128 . 0*
gallons to pints 8 . 0*
gallons to quarts 4 . 0*
gallons to imperial gallons 0 . 8326742
gallons, acetone, to pounds 6 . 6
gallons, castor oil, to pounds 8 . 1
gallons, ethanol (ethyl alcohol), to pounds 7 . 6
gallons, ether, to pounds 6 . 2
gallons, gasoline, to pounds 6 . 0
gallons, kerosene, to pounds 6 . 6
gallons, hydrochloric acid, to pounds 9 . 9
gallons, liquid propane, to pounds 4 . 25
gallons, methanol (methyl alcohol), to pounds 6 . 7
gallons, naptha, to pounds 5 . 6
gallons, nitromethane, to pounds 9 . 4
gallons, oil (crude), to pounds 7 . 5
gallons, oil (refined), to pounds 7 . 0
gallons, turpentine, to pounds 7 . 3
gallons, water, to pounds 8 . 3449037
gallons, water (sea), to pounds 8 . 6
gallons, imperial, to liters 4 . 54609*
gallons, imperial, to gallons, U.S. 1 . 2009499
gallons, U.S., to gallons, imperial 0 . 8326742
gallons per horsepower-hour to liters per kilowatt-hour 0 . 0793181

Gons (= Grades)
To Convert From: Multiply By:
gons to grades 1 . 0*

Grades (= Gons)
To Convert From: Multiply By:
grades to circumferences 0 . 0025*
grades to degrees 0 . 9*
grades to gons 1 . 0*
grades to minutes 54 . 0*
grades to radians 0 . 015708
grades to quadrants 0 . 01*
grades to seconds 3240 . 0*

Grains
To Convert From: Multiply By:
grains to grams 0 . 0647989
grains to milligrams 64 . 798911
grains to ounces 0 . 0022857

Grams
To Convert From: Multiply By:
grams to grains 15 . 432358
grams to kilograms 0 . 001*
grams to milligrams 1000 . 0*
grams to ounces 0 . 035274
grams to pounds 0 . 0022046
grams per centimeter to kilograms per meter 10 . 0*
grams per cubic centimeter to pounds per cubic foot 62 . 42796
grams per cubic centimeter to pounds per cubic inch 0 . 0361273
grams per cubic centimeter to pounds per gallon 8 . 3454044
grams per cubic centimeter to kilograms per cubic meter 1000 . 0*
grams per kilowatt-hour to pounds per horsepower-hour 0 . 001644

Hands
To Convert From: Multiply By:
hands to centimeters 10 . 16*
hands to feet 0 . 3333333
hands to inches 4 . 0*

Hectares
To Convert From: Multiply By:
hectares to square miles 0 . 0038610
hectares to square yards 11959 . 9004630
hectares to square feet 107639 . 1041673
hectares to square kilometers 0 . 01*
hectares to square meters 10000 . 0*

Horsepower
To Convert From: Multiply By:
horsepower to pounds-feet per minute 33000 . 0*
horsepower to pounds-feet per second 550 . 0*
horsepower, metric, to horsepower, SAE 0 . 9863201
horsepower, metric, to kilogram-meters per second 75 . 0*
horsepower, metric, to kilowatts 0 . 7354988
horsepower, SAE, to horsepower, metric 1 . 0138697
horsepower, SAE, to kilowatts 0 . 7456999
horsepower-hours to BTUs 2544 . 4336
horsepower-hours to calories 641186 . 48
horsepower-hours to kilojoules 2684 . 52*
horsepower-hours to kilowatt-hours 0 . 7456999
horsepower-hours to megajoules 2 . 68452*

Inches
To Convert From: Multiply By:
inches to centimeters 2 . 54*
inches to feet 0 . 0833333
inches to hands 0 . 25*
inches to meters 0 . 0254*
inches to microns 25400 . 0*
inches to millimeters 25 . 4*
inches to mils 1000 . 0*
inches to yards 0 . 0277778
inches of mercury to atmospheres 0 . 0334211
inches of mercury to bars 0 . 0338639
inches of mercury to inches of water 13 . 595915
inches of mercury to kilograms per square centimeter 0 . 0345316
inches of mercury to kilopascals 3 . 3863886
inches of mercury to millibars 33 . 863886
inches of mercury to pounds per square foot 70 . 726197
inches of mercury to pounds per square inch 0 . 4911541
inches of water to atmospheres 0 . 0024582
inches of water to bars 0 . 0024907
inches of water to inches of mercury 0 . 0735515
inches of water to kilograms per square centimeter 0 . 0025398
inches of water to kilograms per square meter 25 . 398476
inches of water to kilopascals 0 . 249074
inches of water to millibars 2 . 4907397
inches of water to pounds per square foot 5 . 2020179
inches of water to pounds per square inch 0 . 0361251

Joules (= Newton-Meters)
To Convert From: Multiply By:
joules to BTUs 0 . 0009478
joules to calories 0 . 2388459
joules to kilogram-meters 0 . 1019716
joules to kilojoules 0 . 001*
joules to megajoules 0 . 000001*
joules to newton-meters 1 . 0*
joules to ounces-inches 141 . 61193
joules to pounds-feet 0 . 7375622
joules to pounds-inches 8 . 8507457
joules to watt-hours 0 . 0002778
joules to watt-seconds 1 . 0*
joules per gram to kilojoules per kilogram 1 . 0*
joules per kilogram to BTUs per second 0 . 0004299

Kilograms
To Convert From: Multiply By:
kilograms to grams 1000 . 0*
kilograms to newtons 9 . 80665*
kilograms to pounds 2 . 2046224
kilograms to tons, long 0 . 0009842
kilograms to tons, short 0 . 0011023
kilograms, water, to liters (at 4°C under 1 atmosphere) 1 . 0*
kilograms per cubic meter to grams per cubic centimeter 0 . 001*
kilograms per cubic meter to pounds per cubic foot 0 . 062428
kilograms per cubic meter to pounds per gallon 0 . 0083454
kilograms per kilowatt-hour to pounds per horsepower-hour 1 . 6439879
kilograms per liter to pounds per gallon 8 . 3454064
kilograms per meter to grams per centimeter 0 . 1*
kilograms per meter to pounds per foot 0 . 671969
kilograms per meter to pounds per inch 0 . 0559974
kilograms per square centimeter to atmospheres 0 . 9678411
kilograms per square centimeter to bars 0 . 980665*
kilograms per square centimeter to inches of mercury 28 . 959021
kilograms per square centimeter to inches of water 393 . 7244
kilograms per square centimeter to kilograms per square meter 10000 . 0*
kilograms per square centimeter to kilopascals 98 . 0665*
kilograms per square centimeter to millibars 980 . 665*
kilograms per square centimeter to pounds per square foot 2048 . 1614
kilograms per square centimeter to pounds per square inch 14 . 223343
kilograms per square meter to kilograms per square centimeter 0 . 0001*
kilograms per square meter to pounds per square foot 0 . 2048161
kilogram-meters to BTUs 0 . 0092949
kilogram-meters to calories 2 . 3422781
kilogram-meters to joules 9 . 80665*
kilogram-meters to pounds-feet 7 . 2330139
kilogram-meters to watt-hours 0 . 0027241

Kilojoules
To Convert From: Multiply By:
kilojoules to BTUs 0 . 9478171
kilojoules to horsepower-hours 0 . 0003725
kilojoules to joules 1000 . 0*
kilojoules to kilowatt-hours 0 . 0002778
kilojoules to megajoules 0 . 001*
kilojoules per kilogram to BTUs per pound 0 . 4299226
kilojoules per kilogram to joules per gram 1 . 0*

Kilometers
To Convert From: Multiply By:
kilometers to meters 1000 . 0*
kilometers to miles, nautical 0 . 5399568
kilometers to miles, statute 0 . 6213712
kilometers per hour to centimeters per second 27 . 777778
kilometers per per hour to knots 0 . 5399568
kilometers per hour to meters per second 0 . 2777778
kilometers per hour to miles per hour 0 . 6213712
kilometers per liter to miles per gallon, imperial 2 . 8248094
kilometers per liter to miles per gallon, U.S. 2 . 3521459

Kilopascals
To Convert From: Multiply By:
kilopascals to atmospheres 0 . 0098692
kilopascals to bars 0 . 01*
kilopascals to inches of mercury 0 . 2952998
kilopascals to inches of water 4 . 0148716
kilopascals to kilograms per square centimeter 0 . 0101972
kilopascals to millibars 10 . 0*
kilopascals to pascals 0 . 001*
kilopascals to pounds per square foot 20 . 885434
kilopascals to pounds per square inch 0 . 1450377

Kilowatts
To Convert From: Multiply By:
kilowatts to BTUs per minute 56 . 869027
kilowatts to horsepower, metric 1 . 3596216
kilowatts to horsepower, SAE 1 . 3410221
kilowatts to newton-meters per second 1000 . 0*
kilowatt-hours to BTUs 3412 . 1416
kilowatt-hours to horsepower-hours 1 . 3410221
kilowatt-hours to joules 3600000 . 0*
kilowatt-hours to kilojoules 3600 . 0*
kilowatt-hours to megajoules 3 . 6*
kilowatt-hours to watt-hours 1000 . 0*

Kitchen Measure Equivalents

Metric Fluid Volume (U.S.)

Fluid Drams Tea- spoons Table- spoons Fluid Ounces 1/4 Cups (1/2 Gills) 1/2 Cups (Gills)Cups Fluid Pints Fluid Quarts Gallons Milli- liters Liters
1 Fluid Dram 1 3/4 1/4 1/8 (. 125) 1/16 (. 0625) 1/32 (. 03125) 1/64 (. 01563) . 0078. 00391/1024 3. 697 . 0037
1 Tea- spoon 1 1/3 1 1/3 1/16 1/12 1/24 1/48 1/96 1/192 1/768 5 .005
1 Table- spoon4 3 1 1/2 1/4 1/8 1/16 1/32 1/64 1/256 15 . 015
1 Fluid Ounce 8 6 2 1 1/2 1/4 1/8 1/16 1/32 1/128 29. 56 . 030
1/4 Cup(1/2 Gill) 16 12 4 2 1 1/2 1/4 1/8 1/16 1/64 59. 125 . 059
1/2 Cup (1 Gill) 32 24 8 4 2 1 1/2 1/4 1/8 1/32 118. 25 . 118
1 Cup 64 48 16 8 4 2 1 1/2 1/4 1/16 236 . 236
1 Fluid Pint 128 96 32 16 8 4 2 1 1/2 1/8 473 . 473
1 Fluid Quart 256 192 64 32 16 8 4 2 1 1/4 946 . 946
1 Gallon 1024 768 256 128 64 32 16 8 4 1 3785. 4 3. 7854
1 Milli- liter . 2705. 203 ( 1/5). 068. 034. 017. 008. 004. 002. 001. 00031 . 001 (1/1000)
1 Liter 270. 5 203. 04 67. 68 33. 814 16. 906 8. 453 4. 227 2. 113 1. 057 . 2641000 1

Metric Fluid Volume (British)

Fluid Drams Fluid Ounces 1/4 Cups (1/2 Gills) 1/2 Cups (Gills)Cups Fluid Pints Fluid Quarts Milli- liters Liters
1 Fluid Dram 1 1/8 1/20 (. 05) 1/40 (. 025) 1/80 (. 0125) 1/160 (. 006) 1/320 (. 003) 3. 55 . 0036
1 Fluid Ounce 8 1 1/4 1/5 (. 2) 1/10 1/20 (. 05) 1/40 (. 025) 28. 4 . 0284
1/4 Cup(1/2 Gill) 20 2. 5 1 1/2 1/4 1/8 1/16 71 . 071
1/2 Cup (1 Gill) 40 5 2 1 1/2 1/4 1/8 142 . 142
1 Cup 80 10 4 2 1 1/2 1/4 284 . 284
1 Fluid Pint 160 20 8 4 2 1 1/2 568 . 568
1 Fluid Quart 320 40 16 8 4 2 1 1136 1. 136
1 Milli- liter . 2815. 0352. 0141. 0070. 0035. 0018. 00091 1/1000 (. 001)
1 Liter 281. 5 35. 19 14. 08 7. 04 3. 52 1. 76 . 881000 1

Metric Mass Weight (U.S.)

Grains Drams Ounces Pounds Milligrams Grams Kilograms
1 Grain 1 . 004. 0021/7000 64. 7 . 064. 0006
1 Dram 27. 34 1 1/16 1/256 1770 1. 77 . 0017
1 Ounce 437. 5 16 1 1/16 2835 28. 35 . 02835
1 Pound 7000 256 16 1 453592 453. 6 . 45359
1 Milligram . 015. 00061/29000 1/453592 1 . 001. 000001
1 Gram 15. 43 . 565. 032. 0021000 1 . 001
1 Kilogram 15430 564. 97 . 0000322. 2 1000000 1000 1

A few grains = less than 1/8 teaspoon 1/4 cup = 4 tablespoons
20 drops 1 milliliter 1/5 teaspoon 3/8 cup = 1/4 cup + 2 tablespoons
1 teaspoon = 1/3 tablespoon 5/8 cup = 1/2 cup + 2 tablespoons
1 tablespoon = 3 teaspoons 7/8 cup = 3/4 cup + 2 tablespoons
2 tablespoons = 1 fluid ounce 1 cup = 1/2 pint = 8 fluid ounces
4 tablespoons = 1/4 cup = 2 ounces 2 cups = 1 pint = 16 fluid ounces
5 1/3 tablespoons = 1/3 cup = 2 2/3 ounces 1 gill, liquid = 1/2 cup = 4 fluid ounces
8 tablespoons = 1/2 cup = 1 gill = 1 teacup = 4 ounces 1 pint, liquid = 4 gills = 16 fluid ounces
12 tablespoons = 3/4 cup = 6 ounces 1 quart, liquid = 2 pints = 4 cups
16 tablespoons = 1 cup = 8 ounces = 2 gills 1 gallon, liquid = 4 quarts

Dry Pints Dry Quarts Pecks Bushels Liters
1 Dry Pint 1 1/2 1/16 1/64 . 55
1 Dry Quart 2 1 1/8 1/32 1. 1
1 Peck 16 8 1 1/4 8. 8
1 Bushel 64 32 4 1 35. 23
1 Liter 1. 82 . 91. 114. 0281

Knots
To Convert From: Multiply By:
knots to feet per minute 101 . 26859
knots to feet per second 1 . 6878099
knots to kilometers per hour 1 . 852*
knots to miles per hour 1 . 1507794

Liters
To Convert From: Multiply By:
liters to centiliters 100 . 0*
liters to cubic centimeters (milliliters) 1000 . 0*
liters to cubic feet 0 . 0353147
liters to cubic inches 61 . 023744
liters to cubic yards 0 . 0013079
liters to deciliters 10 . 0*
liters to gallons, imperial 0 . 2199692
liters to gallons, U.S. 0 . 2641721
liters to milliliters (cubic centimeters) 1000 . 0*
liters to ounces, fluid 33 . 8140226
liters to pints 2 . 1133764
liters to quarts 1 . 0566882
liters, water, to kilograms (at 4°C under 1 atmosphere) 1 . 0*
liters, water, to pounds 2 . 2044903
liters per kilowatt-hour to gallons per horsepower-hour 12 . 607459
liters per kilowatt-hour to quarts per horsepower-hour 3 . 1518648
liters per kilowatt-hour to pints per horsepower-hour 1 . 5759324

Megajoules
To Convert From: Multiply By:
megajoules to joules 1000000 . 0*
megajoules to kilojoules 1000 . 0*
megajoules to kilowatt-hours 0 . 2777778
megajoules to horsepower-hours 0 . 3725061
megajoules per kilogram to BTUs per pound 429 . 92261

Meters
To Convert From: Multiply By:
meters to fathoms 0 . 5468067
meters to feet 3 . 2808399
meters to furlongs 0 . 004971
meters to inches 39 . 3700787
meters to kilometers 0 . 001*
meters to mils 39370 . 0787402
meters to yards 1 . 0936133
meters per second to kilometers per hour 3 . 6*
meters per second to feet per second 3 . 2808399
meters per second per second to centimeters per second per second 100 . 0*
meters per second per second to feet per second per second 3 . 2808399
meters per second per second to g 0 . 1019716

Microinches
To Convert From: Multiply By:
microinches to micrometers 0 . 0254*

Micrometers (= Microns)
To Convert From: Multiply By:
micrometers to microinches 39 . 370079
micrometers to microns 1 . 0*

Microns (= Micrometers)
To Convert From: Multiply By:
microns to micrometers 1 . 0*
microns to millimeters 0 . 001*
microns to centimeters 0 . 0001*
microns to meters 0 . 000001*
microns to microinches 39 . 370079
microns to mils 0 . 0393701
microns to inches 0 . 0000394

Miles
To Convert From: Multiply By:
miles, statute, to feet 5280 . 0*
miles, statute, to furlongs 8 . 0*
miles, statute, to kilometers 1 . 609344*
miles, statute, to miles, nautical 0 . 8689762
miles, statute, to yards 1760 . 0*
miles, nautical, to feet 6076 . 11549
miles, nautical, to kilometers 1 . 852*
miles, nautical, to miles, statute 1 . 1507794
miles, nautical, to yards 2025 . 3718
miles per gallon, imperial, to kilometers per liter 0 . 3540062
miles per gallon, imperial, to miles per gallon, U.S. 0 . 8326742
miles per gallon, U.S., to kilometers per liter 0 . 4251437
miles per gallon, U.S., to miles per gallon, imperial 1 . 2009499
miles per hour to centimeters per second 44 . 704*
miles per hour to feet per minute 88 . 0*
miles per hour to feet per second 1 . 4666667
miles per hour to kilometers per hour 1 . 609344*
miles per hour to knots 0 . 8689762

Millibars
To Convert From: Multiply By:
millibars to atmospheres 0 . 0009869
millibars to bars 0 . 001*
millibars to inches of mercury 0 . 02953
millibars to inches of water 0 . 4014872
millibars to kilograms per square centimeter 0 . 0010197
millibars to kilopascals 0 . 1*
millibars to millimeters of mercury 0 . 7500617
millibars to pascals 100 . 0*
millibars to pounds per square foot 2 . 0885434
millibars to pounds per square inch 0 . 0145038

Milligrams
To Convert From: Multiply By:
milligrams to grains 0 . 0154324
milligrams to grams 0 . 001*
milligrams to ounces 0 . 0000353

Milliliters (= Cubic Centimeters)
To Convert From: Multiply By:
milliliters to cubic centimeters 1 . 0*
milliliters to liters 0 . 001*
milliliters to microliters 1000 . 0*
milliliters to ounces, fluid 0 . 033814

Millimeters
To Convert From: Multiply By:
millimeters to centimeters 0 . 1*
millimeters to inches 0 . 0393701
millimeters to meters 0 . 001*
millimeters to microns 1000 . 0*
millimeters to mils 39 . 370079

Mils
To Convert From: Multiply By:
mils to centimeters 0 . 00254*
mils to feet 0 . 0000833
mils to inches 0 . 001*
mils to meters 0 . 0000254*
mils to microns 25 . 4*
mils to millimeters 0 . 0254*
mils to yards 0 . 0002778

Minutes
To Convert From: Multiply By:
minutes to degrees 0 . 0166667
minutes to grades 0 . 0185185
minutes to radians 0 . 0002909
minutes to quadrants 0 . 0001852
minutes to seconds 60 . 0*

Newtons
To Convert From: Multiply By:
newtons to kilograms 0 . 1019716
newtons to ounces 3 . 5969431
newtons to pounds 0 . 2248089
newtons per meter to newtons per millimeter 0 . 001*
newtons per meter to pounds per foot 0 . 0685218
newtons per millimeter to newtons per meter 1000 . 0*
newtons per millimeter to pounds per foot 68 . 52178
newtons per millimeter to pounds per inch 5 . 7101471
newtons per square meter to pascals 1 . 0*
newton-meters to joules 1 . 0*
newton-meters to pounds-feet 0 . 7375622

Ounces
To Convert From: Multiply By:
ounces to grains 437 . 5*
ounces to grams 28 . 35*
ounces to kilograms 0 . 0283495
ounces to milligrams 28349 . 523
ounces to newtons 0 . 2780139
ounces to pounds 0 . 0625*
ounces, fluid, to cubic feet 0 . 0010444
ounces, fluid, to cubic inches 1 . 8046875
ounces, fluid, to gallons 0 . 0078125*
ounces, fluid, to milliliters 29 . 573529
ounces, fluid, to pints 0 . 0625*
ounces, fluid, to quarts 0 . 03125*
ounces-inches to joules or newton-meters 0 . 0070616
ounces-inches to pounds-feet 0 . 0052083
ounces-inches to pounds-inches 0 . 0625*

Pascals
To Convert From: Multiply By:
pascals to bars 0 . 00001*
pascals to inches of mercury 0 . 0002953
pascals to inches of water 0 . 0040149
pascals to kilograms per square centimeter 0 . 0000102
pascals to kilopascals 1000 . 0*
pascals to millibars 0 . 01*
pascals to newtons per square meter 1 . 0*
pascals to pounds per square foot 0 . 0208854

Pints
To Convert From: Multiply By:
pints to cubic centimeters (milliliters) 473 . 17647
pints to cubic feet 0 . 0167101
pints to cubic inches 28 . 875
pints to gallons 0 . 125*
pints to liters 0 . 4731765
pints to ounces, fluid 16 . 0*
pints to quarts 0 . 5*
pints per horsepower-hour to liters per kilowatt-hour 0 . 634545*

Pounds
To Convert From: Multiply By:
pounds to grains 7000 . 0*
pounds to grams 453 . 6
pounds to kilograms 0 . 4535924
pounds to newtons 4 . 4482217
pounds to ounces 16 . 0*
pounds to tons, metric (tonnes) 0 . 0004536
pounds, water, to cubic feet 0 . 0160194
pounds, water, to cubic inches 27 . 681566
pounds, water, to cubic meters 0 . 0004536
pounds, water, to gallons 0 . 1198336
pounds, water, to liters 0 . 4536196
pounds per cubic foot to grams per cubic centimeter 0 . 0160185
pounds per cubic foot to pounds per cubic inch 0 . 0005787
pounds per cubic foot to kilograms per cubic meter 16 . 018464
pounds per cubic foot to pounds per gallon 0 . 1336806
pounds per cubic inch to grams per cubic centimeter 27 . 679905
pounds per cubic inch to pounds per cubic foot 1728 . 0*
pounds per cubic inch to kilograms per cubic meter 27679 . 905
pounds per cubic inch to pounds per gallon 231 . 0*
pounds per foot to kilograms per meter 1 . 488164
pounds per foot to newtons per meter 14 . 5939
pounds per foot to newtons per millimeter 0 . 0145939
pounds per foot to pounds per inch 12 . 0*
pounds per gallon to grams per cubic centimeter 0 . 1198264
pounds per gallon to pounds per cubic foot 7 . 4805195
pounds per gallon to kilograms per cubic meter 119 . 82643
pounds per gallon to kilograms per liter 0 . 1198264
pounds per gallon to pounds per cubic inch 0 . 004329
pounds per horsepower-hour to grams per kilowatt-hour 608 . 2774
pounds per horsepower-hour to grams per megajoule 168 . 9659
pounds per horsepower-hour to kilograms per kilowatt-hour 0 . 6082774
pounds per inch to kilograms per meter 17 . 857968
pounds per inch to newtons per millimeter 0 . 1751268
pounds per inch to ounces per inch 16 . 0*
pounds per inch to pounds per foot 0 . 0833333
pounds per square foot to atmospheres 0 . 0004725
pounds per square foot to bars 0 . 0004788
pounds per square foot to inches of mercury 0 . 014139
pounds per square foot to inches of water 0 . 1922331
pounds per square foot to kilograms per square centimeter 0 . 0004882
pounds per square foot to kilograms per square meter 4 . 8824277
pounds per square foot to kilopascals 0 . 0478803
pounds per square foot to millibars 0 . 4788026
pounds per square foot to pascals 47 . 880259
pounds per square foot to pounds per square inch 0 . 006944
pounds per square inch to atmospheres 0 . 068046
pounds per square inch to bars 0 . 0689476
pounds per square inch to inches of mercury 2 . 0360207
pounds per square inch to inches of water 27 . 681566
pounds per square inch to pounds per square foot 144 . 0*
pounds per square inch to kilograms per square centimeter 0 . 070307
pounds per square inch to kilopascals 6 . 8947574
pounds per square inch to millibars 68 . 947574
pounds-feet to BTUs 0 . 0012851
pounds-feet to calories 0 . 3238316
pounds-feet to joules or newton-meters 1 . 3558179
pounds-feet to kilogram-meters 0 . 138255
pounds-feet to ounces-inches 192 . 0*
pounds-feet to pounds-inches 12 . 0*
pounds-feet to watt-hours 0 . 0003766
pounds-feet per minute to horsepower 0 . 0000303
pounds-inches to joules or newton-meters 0 . 1129848
pounds-inches to ounces-inches 16 . 0*
pounds-inches to pounds-feet 0 . 0833333

Quadrants
To Convert From: Multiply By:
quadrants to circumferences 4 . 0*
quadrants to degrees 90 . 0*
quadrants to grades 100 . 0*
quadrants to minutes 5400 . 0*
quadrants to radians 1 . 5707963
quadrants to seconds 324000 . 0*

Quarts
To Convert From: Multiply By:
quarts to cubic centimeters (milliliters) 946 . 35295
quarts to cubic feet 0 . 0334201
quarts to cubic inches 57 . 75
quarts to gallons 0 . 25*
quarts to liters 0 . 9463529
quarts to ounces, fluid 32 . 0*
quarts to pints 2 . 0*
quarts per horsepower-hour to liters per kilowatt-hour 0 . 3172725

Radians
To Convert From: Multiply By:
radians to circumferences 0 . 0159154
radians to degrees 57 . 295779
radians to grades 63 . 661978
radians to minutes 3437 . 7468
radians to seconds 206264 . 81

Seconds
To Convert From: Multiply By:
seconds to degrees 0 . 0002778
seconds to grades 0 . 0003086
seconds to minutes 0 . 0166667
seconds to radians 0 . 0000049

Square Centimeters
To Convert From: Multiply By:
square centimeters to square feet 0 . 0010764
square centimeters to square inches 0 . 1550003
square centimeters to square yards 0 . 0001196

Square Feet
To Convert From: Multiply By:
square feet to square centimeters 929 . 0304
square feet to square inches 144 . 0*
square feet to square meters 0 . 0929030
square feet to square yards 0 . 1111111
square feet to acres 0 . 00002296
square feet to hectares 0 . 0000093

Square Inches
To Convert From: Multiply By:
square inches to square centimeters 6 . 4516*
square inches to square feet 0 . 0069444
square inches to square meters 0 . 0006452
square inches to square millimeters 645 . 16*
square inches to square yards 0 . 0007716

Square Meters
To Convert From: Multiply By:
square meters to square feet 10 . 76391
square meters to square inches 1550 . 0031
square meters to square yards 1 . 19599
square meters to acres 0 . 0002471
square meters to hectares 0 . 0001

Square Yards
To Convert From: Multiply By:
square yards to square feet 9 . 0*
square yards to square inches 1296 . 0*
square yards to square meters 0 . 8361274
square yards to acres 0 . 0002066
square yards to hectares 0 . 0000836

Temperature
Fahrenheit:
Celsius (Centigrade):
°Fahrenheit = (°Celsius × 9/5) + 32°
°Fahrenheit = (°Kelvin × 9/5) - 459.67°
°Fahrenheit = °Rankine - 459.67°
°Fahrenheit = (°Réaumur × 9/4) + 32°
°Celsius = (°Fahrenheit - 32°) × 5/9
°Celsius = °Kelvin - 273.15°
°Celsius = (°Rankine × 5/9) - 273.15°
°Celsius = °Réaumur × 5/4
Kelvin:
Rankine:
°Kelvin = (°Fahrenheit + 459.67°) × 5/9
°Kelvin = °Celsius + 273.15°
°Kelvin = °Rankine × 5/9
°Kelvin = (°Réaumur × 5/4) + 273.15°
°Rankine = °Fahrenheit + 459.67°
°Rankine = (°Celsius + 273.15°) × 9/5
°Rankine = °Kelvin × 9/5
°Rankine = (°Réaumur × 9/4) + 491.67°
Réaumur:
°Réaumur = (°Fahrenheit - 32°) × 4/9
°Réaumur = °Celsius × 4/5
°Réaumur = (°Kelvin - 273.15°) × 4/5
°Réaumur = (°Rankine - 491.67°) × 4/9

Tons
To Convert From: Multiply By:
tons, long, to kilograms 1016 . 0469
tons, long, to pounds 2240 . 0*
tons, long, to tons, short 1 . 12*
tons, metric (tonnes), to kilograms 1000 . 0*
tons, metric (tonnes), to pounds 2204 . 6226
tons, metric (tonnes), to tons, short 1 . 1023113
tons, short, to kilograms 907 . 18475
tons, short, to pounds 2000 . 0*
tons, short, to tons, long 0 . 8928571
tons, short, to tons, metric (tonnes) 0 . 9071847

Watt-Hours
To Convert From: Multiply By:
watt-hours to BTUs 3 . 4121416
watt-hours to calories 859 . 84523
watt-hours to joules 3600 . 0*
watt-hours to kilogram-meters 367 . 09784
watt-hours to kilowatt-hours 0 . 001*
watt-hours to pounds-feet 2655 . 2237

Yards
To Convert From: Multiply By:
yards to centimeters 91 . 44*
yards to fathoms 0 . 5*
yards to feet 3 . 0*
yards to furlongs 0 . 0045455
yards to inches 36 . 0*
yards to meters 0 . 9144*
yards to mils 36000 . 0*

* indicates exact conversion

If you find an error on this page, email me to let me know about it.
On occasion, I may help someone solve a particular problem. But I expect that the person first will perform a thorough search on the web to attempt to find a solution. I do not have the time to search the web to help other people with their calculations.

If no solution can be found, it is possible that I may be able to help, but only if logical questions are asked and if any helpful information obtained while searching the web is provided. Also, it cannot be assumed that I will understand the abbreviations of all units. For example, “cf” means “cubic feet” and “psi” means “pounds per square inch”; but do not assume that I know this. Everything must be spelled out clearly , with no typos , for me to consider attempting to find an answer.

The following are illogical or invalid questions:

How can I convert from square feet to cubic yards? No conversion is possible, since square feet are a 2-dimensional measurement of area, while cubic yards are a 3-dimensional measurement of volume. Conversions are possible only between similar inter-dimensional measurements. (If the area of a certain number of square feet has a depth of 2 inches, for instance, then the conversion can be made, because now the unit of measurement has become cubic feet rather than square feet. Then it is easy to convert from cubic feet to cubic yards.)
What is the conversion from square feet to gallons? No conversion is possible, since square feet are a 2-dimensional measurement of area, while gallons are a 3-dimensional measurement of volume. Conversions are possible only between similar inter-dimensional measurements.
How much does a cubic yard weigh? No conversion is possible, since the substance to be weighed has not been provided. For instance, a cubic yard of water would weigh a whole lot more than a cubic yard of foam rubber.
How much does a cubic yard of sand or dirt weigh? No conversion is possible, since not enough information about the sand and dirt has been provided, such as whether it is dry or wet, whether or not it is mixed with something else such as gravel or rocks, etc. Even if the latter things are known, I have not been provided with the overall density of the sand or dirt, so I still cannot make a proper conversion.

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