Conversion Factors

To Convert From

To

Multiply By

angstrom units

centimeters

1 x 10-8

angstrom units

inches

3.937 x 10-9

angstrom units

microns

0.0001

atmospheres

dynes/cm

2 1.0133 x 106

atmospheres

mm of mercury

760

btu (mean)

calories, gram (mean)

251.98

btu (mean)

foot-pounds

778.3

btu (mean)

joules (abs)

1054.8

calories, gram (mean)

btu (mean)

3.9685 x 10-3

calories, gram (mean)

foot-pounds

3.0883

candlepower (spherical)

lumens

12.566

centimeters

angstrom units

1 x 108

centimeters

feet (U.S.)

0.0328

centimeters

inches (U.S.)

0.3937

centimeters

miles (U.S., statute)

6.2137 x 10-6

cm of mercury

at 0°C atmospheres

0.0132

centimeters/second

feet/minute

1.9685

centimeters/second

miles/hour

0.0224

coulombs

Ab coulombs

0.1

cubic centimeters

cubic feet

(U.S.) 3.5314 x 10-5

cubic centimeters

cubic inches (U.S.)

0.061

cubic centimeters

gallons (U.S.)

2.6417 x 10-4

cubic centimeters

milliliters

0.999972

cubic centimeters

ounces (U.S., fluid)

0.0338

cubic centimeters

pints (U.S., liquid)

0.0021

cubic centimeters

quarts (U.S., liquid)

0.0011

cubic feet (U.S.)

cubic centimeters

28316.847

cubic feet (U.S.)

liters

28.317

cubic feet (U.S.)

quarts (U.S., liquid)

29.922

cubic feet of water at 60°F

pounds

62.37

cubic inches (U.S.)

cubic centimeters

16.3872

cubic inches (U.S.)

cubic feet (U.S.)

5.7870 x 10-4

cubic meters

cubic feet (U.S.)

35.3147

cubic meters

cubic inches (U.S.)

61023.74

degrees

circles

0.0028

drams (apothecaries' or troy)

drams (avoirdupois)

2.19429

drams (avoirdupois)

drams (apothecaries' or troy)

0.4557

drams (avoirdupois)

grains

27.34375

drams (avoirdupois)

grams

1.7718

drams (avoirdupois)

ounces (avoirdupois)

0.0625

drams (avoirdupois)

pounds (avoirdupois)

0.003906

drams (U.S., fluid)

cubic centimeters

3.6967

drams (U.S., fluid)

ounces (fluid)

0.125

feet (U.S., survey)

centimeters

30.4801

foot-pounds

btu (mean)

0.0012861

gallons (U.S.)

cubic centimeters

3785

gallons (U.S.)

cubic feet

0.1337

gallons (U.S.)

gallons (British)

0.8327

gallons (U.S.)

liters

3.78541

gallons (U.S.)

minims

61440

gallons (U.S.)

ounces (U.S., fluid)

128

gallons (U.S.) of 
water at 60°F

pounds (avoirdupois) of water at 60°F

8.347

grains

drams (avoirdupois)

0.03657

grains

grams

0.0648

grams

drams (avoirdupois)

0.5644

grams

grains

15.4324

grams

ounces (avoirdupois)

0.0353

grams

pounds (avoirdupois)

0.0022

horsepower

btu (mean)/hour

2546.4

horsepower

calories, kg (mean)/min.

10.688

horsepower

kilowatts

0.7457

inches (U.S.)

centimeters

2.54

inches (U.S.)

millimeters

25.4001

joules (abs)

calories, gram (mean)

0.2389

joules (abs)

ergs

1 x 107

kilograms

pounds (avoirdupois)

2.2046

kilowatts (abs)

btu (mean)/hour

3409.52

liters

cubic centimeters

1000

liters

gallons (U.S.)

0.2642

liters

ounces (U.S., fluid)

33.814

liters

pints (U.S., liquid)

2.11337

meters

feet (U.S.)

3.2808

meters

inches (U.S.)

39.37

microns

centimeters

1 x 10-4

microns

inches

3.937 x 10-5

miles/hour

centimeters/second

44.704

miles/hour

feet/second

1.4667

milligrams

grains

0.01543

milligrams

ounces (avoirdupois)

3.5274 x 10-5

milligrams

pounds (avoirdupois)

2.20462 x 10-6

milliliters

cubic centimeters

1

milliliters

ounces (U.S., fluid)

0.0338

milliliters

pints (U.S., liquid)

0.00211

ounces (U.S., fluid)

gallons (U.S.)

7.812 x 10-3

ounces (U.S., fluid)

liters

0.0296

ounces (U.S., fluid)

milliliters

29.5727

pints (U.S., liquid)

cubic centimeters

473.176

pints (U.S., liquid)

cubic inches

28.875

pints (U.S., liquid)

liters

0.4732

pounds (avoirdupois)

grains

7000

pounds (avoirdupois)

grams

453.5924

pounds (avoirdupois)

pounds (troy)

1.2153

pounds of water at 39.2°F

gallons (U.S.)

0.1198

quarts (U.S., liquid)

cubic centimeters

946.353

quarts (U.S., liquid)

liters

0.9464

square centimeters

square inches (U.S.)

0.155