Convert From: Convert To: Multiply By:
Ampere-hours (absolute) Coulombs (absolute) 3,600
Angstrom units Inches 3.937 × 10-9
Angstrom units Centimeters 1 × lO-8
Angstrom units Microns 1 × 10-4
Atmospheres Dynes per square centimeter 1.0133 × 106
Atmospheres Feet of water at 39.1°F 33.90
Atmospheres Grams per square centimeter 1,033.3
Atmospheres Inches of mercury at 32°F 29.921
Atmospheres Pounds per square foot 2,116.3
Atmospheres Pounds per square inch 14.696
Bars Atmospheres 0.9869
Bars Pounds per square inch 14.504
Board feet Cubic feet 1/12
Boiler horsepower Btu per hour 33,480
Boiler horsepower Kilowatts 9.803
Btu Calories (gram) 252
Btu Centigrade heat units (chu) 0.5556
Btu Foot-pounds 777.9
Btu Horsepower-hours 3.929 × 10-4
Btu Joules 1,054.6
Btu Liter-atmospheres 10.41
Btu Pounds carbon to C02 6.88 × 10-5
Btu Pounds water evaporated from and at 212°F 0.001036
Btu Cubic foot-atmospheres 3,676
Btu Kilowatthours 2.930 × 10-4
Btu per minute Horsepower 0.02357
Btu per pound per degree Fahrenheit Calories per gram per degree centigrade 1
Btu per square foot per minute Kilowatts per square foot 0.1758
Btu per square foot per second for a temperature gradient of 1°F per inch Calories, gram (15°C), per square centimeter per second for a temperature gradient of 1°C per centimeter 1.2405
Btu (60°F) per degree Fahrenheit Calories per degree centigrade 453.6
Calories, gram Btu 3.968 × 10-3
Calories, gram Foot-pounds 3.087
Calories, gram Joules 4.18
Calories, gram Liter-atmospheres 4.130 × 10-2
Calories, gram Horsepower-hours 1.5591 × 10-6
Calories, kilogram Kilowatthours 0.0011626
Calories, kilogram per second Kilowatts 4.185
Candle power (spherical) Lumens 12.556
Centimeters Angstrom units 1 × 10-8
Centimeters Feet 0.03281
Centimeters Inches 0.3937
Centimeters Microns 10,000
Centimeters of mercury at 0°C Atmospheres 0.013158
Centimeters of mercury at 0°C Feet of water at 39.1°F 0.4460
Centimeters Inches 0.3937
Centimeters of mercury at 0°C Pounds per square foot 27.845
Centimeters of mercury at 0°C Pounds per square inch 0.19337
Centimeters per second Feet per minute 1.9685
Cords Cubic feet 128
Cubic centimeters Cubic feet 3.532 × 10-5
Cubic centimeters Gallons 2.6417 × 10-4
Cubic centimeters Ounces (US fluid) 0.03381
Cubic centimeters Quarts (US fluid) 0.0010567
Cubic feet Bushels (US) 0.8036
Cubic feet Cubic centimeters 28,317
Cubic feet Cubic meters 0.028317
Cubic feet Cubic yards 0.03704
Cubic feet Gallons 7.481
Cubic feet Liters 28.316
Cubic foot-atmospheres Foot-pounds 2,116.3
Cubic foot-atmospheres Liter-atmospheres 28.316
Cubic feet of water (60ºF) Pounds 62.37
Cubic feet per minute Cubic centimeters per second 472.0
Cubic feet per minute Gallons per second 0.1247
Cubic feet per second Gallons per minute 448.8
Curies Disintegrations per minute 2.2 × 1012
Curies Coulombs per minute 1.1 × 1012
Degrees Radians 0.017453
Feet Centimeters 30.48
Feet per minute Centimeters per second 0.5080
Feet per minute Miles per hour 0.011364
Foot-poundals Btu 3.995 × 10-5
Foot-poundals Joules 0.04214
Foot-poundals Liter-atmospheres 4.159 × 10-4
Foot-pounds Btu 0.0012856
Foot-pounds Calories, grams 0.3239
Foot-pounds Foot-poundals 32.174
Foot-pounds Horsepower-hours 5.051 × 10-7
Foot-pounds Kilowatthours 3.766 × 10-7
Foot-pounds Liter-atmospheres 0.013381
Foot-pounds per second Horsepower 0.0018182
Foot-pounds per second Kilowatts 0.0013558
Joules (absolute) Btu (mean) 9.480 × 10-4
Joules (absolute) Calories, gram (mean) 0.239
Joules (absolute) Cubic foot-atmospheres 0.3485
Joules (absolute) Foot-pounds 0.7376
Joules (absolute) Kilowatthours 2.7778 × 10-7
Joules (absolute) Liter-atmospheres 0.009869
Kilowatthours Btu 3,414
Kilowatthours Foot-pounds 2.6552 × 106
Kilowatts Horsepower 1.3410
Lamberts Candles, per square inch 2.054
Lumens Watts 0.001496
Microns Angstrom units 1 × 104
Microns Centimeters 1 × 10-4
Radians Degrees 57.30
Revolutions per minute Radians per second 0.10472
Convert From: Convert To: Multiply By:
Pcu/(hr)(ft2)(°C) Btu/(hr)(ft2)(°F) 1
Kg-cal/(hr)(m2)(°C) Btu/(hr)(ft2)(°F) 0.2048
G-cal/(sec)(cm2)(°C) Btu/(hr)(ft2)(°F) 7,380
Watts/(cm2)(°C) Btu/(hr)(ft2)(°F) 1,760
Watts/(in2)(°F) Btu/(hr)(ft2)(°F) 490
Btu/(hr)(ft2)(°F) Pcu/(hr)(ft2)(°F) 1
Btu/(hr)(ft2)(°F) Kg-cal/(hr)(m2)(°C) 4.88
Btu/(hr)(ft2)(°F) G-cal/(sec)(cm2)(°C) 0.0001355
Btu/(hr)(ft2)(°F) Watts/(cm2)(°C) 0.000568
Btu/(hr)(ft2)(°F) Watts/(in2)(°F) 0.00204
Btu/(hr)(ft2)(°F) Hp/(ft2)(°F) 0.000394
Centipoises G/(sec)(cm) or poise 0.01
Centipoises Lb/(sec)(ft) 0.000672
Centipoises Lb/(hr)(m) 2.42
Centipoises Kg/(hr)(m) 3.60
Centimeters per second Square feet per second 929
G-cal/(sec)(cm2)(°C/cm) Btu/(hr)(ft2)(°F/in) 2,903.0
Watts/(cm2)(°C/cm) Btu/(hr)(ft2)(°F/in) 694.0
G-cal/(hr)(cm2)(°C/cm) Btu/(hr)(ft2)(°F/in) 0.8064