SI Metric-Customary Conversion Table

Here is a handy conversion table to help you convert US sizes to Metric sizes.
 
 
LENGTH1
Multiply

Inch
Foot
Yard
Mile
1

By

25.4
20.304
20.914
21.609
1

To get equivalent number of:

Millimeters (mm)
Meters (m)
Meters
Kilometers (km)
1

AREA1
Multiply

Inch [2]

Foot [2]
Yard [2]
1

By

645.2
646.45
640.016
640.836
1

To get equivalent number of:

Millimeters [2] (mm [2])
Centimeters [2] (cm [2])
Meters [2] (m [2])
Meters [2]
1

VOLUME1
Multiply

Inch [3]
 

Quart
Gallon
Yard [3]
1

By

16387.
16316.387
16310.016
16310.945
16310.785
16310.764
1

To get equivalent number of:

mm [3]
cm [3]
Liters (l)
Liters
Liters
Meters [3] (m [3])
1

MASS1
Multiply

Pound
Ton
Ton
1

By

900.807
907.18
900.907
1

To get equivalent number of:

Kilograms (kg)
Kilograms (kg)
Tonne (t)
1

FORCE1
Multiply

Kilogram
Ounce
Pound
1

By

9.807
0.278
4.448
1

To get equivalent number of:

Newtons (N)
Newtons
Newtons
1

TEMPERATURE1
Multiply

Degree Fahrenheit
1

By

(Deg. F-32)/1.8
1

To get equivalent number of:

Degree Celsius (C)
1

ACCELERATION1
Multiply

Foot/sec [2]
Inch/sec [2]
1

By

0.304
0.025
1

To get equivalent number of:

Meter/sec [2] (m/s [2])
Meter/sec [2]
1

TORQUE1
Multiply

Pound-inch
Pound-foot
1

By

0.112
1.355
1

To get equivalent number of:

Newton-meters (N-m)
Newton-meters
1

POWER1
Multiply

Horsepower
1

By

0.746
1

To get equivalent number of:

Kilowatts (KW)
1

PRESSURE OR STRESS1
Multiply

Inches of mercury
Pounds/sq. in.
1

By

3.377
6.895
1

To get equivalent number of:

Kilopascals (kPa)
Kilopascals
1

ENERGY OR WORK1
Multiply

BTU
Foot-pound
Kilowatt-hour
1
1

By

3601055.
3600001.355
3600000.
or 3.6 x 10 [6]
1

To get equivalent number of:

Joules (J)
Joules
Joules (J = one W's)
1
1

LIGHT1
Multiply

Foot candle
1

By

10.764
1

To get equivalent number of:

Lumens/meter [2] (lm/m [2])
1

FULL PERFORMANCE1
Multiply

Miles/gal
Gals/mile
1

By

0.425
2.352
1

To get equivalent number of:

Kilometers/liter (km/l)
Liters/kilometer (l/km)
1

VELOCITY1
Multiply

Miles/hour
1

By

1.609
1

To get equivalent number of:

Kilometer/hr. (km/h)
1

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