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Conversion Factors

Capacities or Volumes  / Common Formulas
Cooking Measurement Equivalents  / Temperature  / Weight
U.S.
and Metric Equivalents

To change

To

Multiply
by

acres

hectares

.4047

acres

square feet

43,560

acres

square miles

.001562

atmospheres

cms. of mercury

76

Btu/hour

horsepower

.0003930

Btu

kilowatt-hour

.0002931

Btu/hour

watts

.2931

bushels

cubic inches

2150.4

bushels (U.S.)

hectoliters

.3524

centimeters

inches

.3937

centimeters

feet

.03281

cubic feet

cubic meters

.0283

cubic meters

cubic feet

35.3145

cubic meters

cubic yards

1.3079

cubic yards

cubic meters

.7646

 

To change

To

Multiply
by

degrees

radians

.01745

dynes

grams

.00102

fathoms

feet

6.0

feet

meters

.3048

feet

miles (nautical)

.0001645

feet

miles (statute)

.0001894

feet/second

miles/hour

.6818

furlongs

feet

660.0

furlongs

miles

.125

gallons (U.S.)

liters

3.7853

grains

grams

.0648

grams

grains

15.4324

grams

ounces (avdp)

.0353

grams

pounds

.002205

hectares

acres

2.4710

hectoliters

bushels (U.S.)

2.8378

 

To change

To

Multiply
by

horsepower

watts

745.7

horsepower

Btu/hour

.001341

hours

days

.04167

inches

millimeters

25.4000

inches

centimeters

2.5400

kilograms

pounds (avdp)

2.2046

kilometers

miles

.6214

kilowatt-hour

Btu

3412

knots

nautical miles/hour

1.0

knots

statute miles/hour

1.151

liters

gallons (U.S.)

.2642

liters

pecks

.1135

liters

pints (dry)

1.8162

liters

pints (liquid)

2.1134

liters

quarts (dry)

.9081

liters

quarts (liquid)

1.0567

 

To change

To

Multiply
by

meters

feet

3.2808

meters

miles

.0006214

meters

yards

1.0936

metric tons

tons (long)

.9842

metric tons

tons (short)

1.1023

miles

kilometers

1.6093

miles

feet

5280

miles (nautical)

miles (statute)

1.1516

miles (statute)

miles (nautical)

.8684

miles/hour

feet/minute

88

millimeters

inches

.0394

ounces (avdp)

grams

28.3495

ounces

pounds

.0625

ounces (troy)

ounces (avdp)

1.09714

pecks

liters

8.8096

 

To change

To

Multiply
by

pints (dry)

liters

.5506

pints (liquid)

liters

.4732

pounds (ap or troy)

kilograms

.3782

pounds (avdp)

kilograms

.4536

pounds

ounces

16

quarts (dry)

liters

1.1012

quarts (liquid)

liters

.9463

radians

degrees

57.30

rods

meters

5.029

rods

feet

16.5

square feet

square meters

.0929

square kilometers

square miles

.3861

NOTE: avdp = avoirdupois weight, ap = apothecaries' weight.

To change

To

Multiply
by

square meters

square feet

10.7639

square meters

square yards

1.1960

square miles

square kilometers

2.5900

square yards

square meters

.8361

tons (long)

metric tons

1.016

tons (short)

metric tons

.9072

tons (long)

pounds

2240

tons (short)

pounds

2000

watts

Btu/hour

3.4121

watts

horsepower

.001341

yards

meters

.9144

yards

miles

.0005682

 

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