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Physical Quantity

This in "English" Units

Spelled out

Symbolic

Reciprocal †

DISTANCE

1 inch

2.54 centimeter

2.54 cm

0.3937

1 foot

0.3048 meter

0.3048 m

3.281

1 yard

0.9144 meter

0.9144 m

1.094

1 mile

1.609 kilometer

1.609 km

0.6215

AREA

1 square inch

6.452 square centimeter

6.452 cm²

0.155

1 square foot

0.0929 square meter or

0.0929 m²

10.76

929 square centimeters

929 cm²

0.001076

1 square yard

0.836 square meter

0.836 m²

1.196

1 acre

4,047 square meters or

4.047 m²

0.000247

0.4047 hectare

0.4047 h

2.47

1 square mile

2.590 square kilometers or 259.0 hectares

259.0 h

0.00386

VOLUME

1 cubic inch

16.39 cubic centimeters

16.39 cm³

0.0610

1 pint (liquid)

473.2 cubic centimeters

473.2 cm³

0.002113

1 quart

946.4 cubic centimeters

946.4 cm³

0.001057

or 0.9464 liter

0.946 1

1.057

1 gallon

3.785 liters

3.78.5 1

0.2642

1 cubic foot

0.0283 cubic meter

0.283 cm³

35.3

1 cubic yard

0.765 cubic meter

0.765 cm³

1.308

1 acre foot

0.1233 hectare meter

0.1233 h m

8.11

VELOCITY

1 foot per hour,

minute or second

0.3048 meter/hour, minute, or second

3.281

1 mile per hour

0.1170 meter per second

0.4470 m/s

2.237

1 knot

.0.5145 meter per second

0.5145 m/s

1.944

Equals, in Metric*

Physical Quantity

This in "English" Units

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Symbolic

Reciprocal †

ENERGY (OR WORK)

1 watt second

1.000 joule = 1.000

newton meter

1.000 J

1.000

1 foot pound

1.356 joule

1.356 J

0.7375

1 Btu

1.055 kilojoule

1.055 kJ

0.948

1 wale hour

3.60 kilojoules

3.60 kJ

0.2778

1 horsepower-hour

2.684 megajoules

2.684 MJ

0.3726

1 kilowatt hour

3.60 megajoules

3.60 MJ

0.2778

POWER

1 horsepower

745.7 watts or O.7457 kilo-

745.7 W

0.00134

watt

0.7457 kW

1.341

1 joule per second

1.000 watt

1.000 W

1.000

1 Btu per hour

0.293 joule per second

0.293 J/s

3.41

TEMPERATURE

1 degree

519 degree Celsius (Centi

5/9 X (TF-32)°C

1.8 degree

Fahrenheit

grade) for each Fahrenheit

Fahrenheit

degree above or below 32°F

for each Celsius degree plus 3

SPECIAL COMPOUND UNITS

1 Btu per cubic foot

37.30 joules per liter

37.30 J/1

0.0268

1 Btu per pound of mass

2.328 joules per gram

2.328 J/g

0.4296

1 Btu per square fool per hour

3.158 joules per square meter

3.158 J/m²

0.3167

1000 gallons per acre

0.0935 centimeters depth

10.70

1 pound of mass per cubic foot

16.02 grams per liter

16.02 g/l

0.0624

MASS

1 ounce

28.35 grams

28.35 g

0.03527

1 pound

453.6 grams

453.6 6

0 002205

or 0.4536 kilogram

0.4536 kg

2.205

1 ton(short, 2000 pounds)

0.907 megagram

0.907 Mg

1.102

or 0.907 metric ton

0.907 L

1.102

or 0.907 tone

0.907 t

1.102

TORQUE

1 inch pound

0.1130 meter newton

0.1130 m-N

8.851

PRESSURE

1 pound per square

47.88 newtons per square

47.88 N/m²

0.02089

foot

meter

1 pound per square

6.895 kilonewtons per

6.895 kN/m²

0.11240

inch

square meter

1 millimeter of

133.3 newtons per square

133.3 N/m²

0.0075

mercury

meter

1 foot of water

2.989 kilonewtons per

2.989 KN/nm²

0.3346

square meter

1 atmosphere

0.1013 meganewton per

0.1013 MN/m'

9.87

square meter

Flow

1 gallon per day

0.04381 milliliters per

0.04381 ml/s

22.824

second

1 gallon per minute

63.08 milliliter per second

63.08 ml/s

0.01585

1 cubic foot per minute

0.4719 liter per second

0.4719 1/s

2.119

1 cubic foot per second

28.32 liters per second

28.32 Us

0.0353

FORCE

1 ounce

0.2780 newton

0.2780 N

3.597

1 pound

4.448 newtons

4.448 N

0.2248

1 ton (2000 pounds}

8.897 kilonewtons

8.897 kN 0.11240