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This table provides a handy reference for the most commonly used conversions.
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Multiply
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By
|
To Obtain
| |
Acres
|
43,560
|
Sq. Ft.
| |
Acres
|
4,047
|
Sq. Meters
| |
Acres
|
1.562x10-3
|
Sq. Miles
| |
Acres
|
4,840
|
Sq. Yards
| |
Atmospheres
|
29.92
|
Inches of Mercury
| |
Atmospheres
|
14.7
|
Pounds/Sq. Inch
| |
Barrels (British, Dry)
|
5.78
|
Cubic Feet
| |
Barrels (British, Dry)
|
0.1637
|
Cubic Meters
| |
Barrels (British, Dry)
|
36
|
Gallons (British)
| |
Barrels, Oil
|
42
|
Gallons (U.S.)
| |
Barrels (U.S., Liquid)
|
4.211
|
Cubic Feet
| |
Barrels (U.S., Liquid)
|
0.1192
|
Cubic Meters
| |
Barrels (U.S., Liquid)
|
31.5
|
Gallons (U.S.)
| |
Board-Feet
|
144 Sq. In. x 1 In.
|
Cubic Inches
| |
British Thermal Units
|
0.252
|
Kilogram-Calories
| |
British Thermal Units
|
777.5
|
Foot-Pounds
| |
Btu/Min.
|
12.96
|
Foot-Pounds/Sec.
| |
Btu/Min.
|
0.02356
|
Horsepower
| |
Btu/Min.
|
0.01757
|
Kilowatts
| |
Btu/Min.
|
17.57
|
Watts
| |
Bushels
|
1.244
|
Cubic Feet
| |
Bushels
|
2,150
|
Cubic Inches
| |
Bushels
|
0.03524
|
Cubic Meters
| |
Bushels
|
4
|
Pecks
| |
Bushels
|
64
|
Pints (Dry)
| |
Bushels
|
32
|
Quarts (Dry)
| |
Centigrams
|
0.01
|
Grams
| |
Centiliters
|
0.01
|
Liters
| |
Centimeters
|
0.0328083
|
Feet (U.S.)
| |
Centimeters
|
0.3937
|
Inches
| |
Centimeters
|
0.01
|
Meters
| |
Centimeters
|
393.7
|
Mils.
| |
Centimeters
|
10
|
Millimeters
| |
Cords
|
8’x4’x4’
|
Cubic Feet
| |
Cubic Feet
|
1,728
|
Cubic Inches
| |
Cubic Feet
|
0.02832
|
Cubic Meters
| |
Cubic Feet
|
0.03704
|
Cubic Yards
| |
Cubic Feet
|
7.481
|
Gallons
| |
Cubic Feet
|
28.32
|
Liters
| |
Cubic Feet
|
59.84
|
Pints (Liq.)
| |
Cubic Feet
|
29.92
|
Quarts (Liq.)
| |
Cu. Ft. of Water (60°F)
|
62.37
|
Pounds
| |
Cubic Feet/Minute
|
0.1247
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Gallons/Sec.
| |
Cubic Feet/Minute
|
0.472
|
Liters/Second
| |
Cubic Feet/Minute
|
62.4
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Lbs. of Water/Min.
| |
Cubic Inches
|
16.39
|
Cubic Centimeters
| |
Cubic Meters
|
35.31
|
Cubic Feet
| |
Cubic Yards
|
27
|
Cubic Feet
| |
Cubic Yards
|
46,656
|
Cubic Inches
| |
Cubic Yards
|
0.7646
|
Cubic Meters
| |
Cubic Yards/Minute
|
0.45
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Cubic Feet/Second
| |
Days
|
1,440
|
Minutes
| |
Days
|
86,400
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Seconds
| |
Drams
|
1.772
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Grams
| |
Drams
|
0.0625
|
Ounces
| |
Fathoms
|
6
|
Feet
| |
Feet
|
30.48
|
Centimeters
| |
Feet
|
12
|
Inches
| |
Feet
|
0.3048
|
Meters
| |
Feet
|
1/3
|
Yards
| |
Feet of Water
|
62.43
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Pounds/Sq. Ft.
| |
Feet/Minute
|
0.508
|
Centimeters/Sec.
| |
Feet/Minute
|
0.01136
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Miles/Hour
| |
Feet/Second
|
0.6818
|
Miles/Hour
| |
Feet/Second
|
0.01136
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Miles/Minute
| |
Gallons (U.S.)
|
128
|
Ounces (U.S. fluid)
| |
Gallons
|
3,785
|
Cubic Centimeters
| |
Gallons
|
0.1337
|
Cubic Feet
| |
Gallons
|
231
|
Cubic Inches
| |
Gallons
|
3.785x10-3
|
Cubic Meters
| |
Gallons
|
4.951x10-3
|
Cubic Yards
| |
Gallons
|
3.785
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Liters
| |
Gallons
|
8
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Pints (Liq.)
| |
Gallons
|
4
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Quarts (Liq.)
| |
Gallons/Minute
|
2.228x10-3
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Cubic Feet/Second
| |
Grams
|
0.03527
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Ounces
| |
Grams
|
2.205x10-3
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Pounds
| |
Horsepower
|
33,000
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Foot-Pounds/Min.
| |
Horsepower
|
0.7457
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Kilowatts
| |
Horsepower
|
745.7
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Watts
| |
Hours
|
60
|
Minutes
| |
Hours
|
3,600
|
Seconds
| |
Inches
|
2.54
|
Centimeters
| |
Inches of Water
|
0.002458
|
Atmospheres
| |
Inches of Water
|
0.07355
|
Inches of Mercury
| |
Inches of Water
|
5.204
|
Pounds/Sq. Ft.
| |
Inches of Water
|
0.03613
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Pounds/Sq. In.
| |
Kilograms
|
2.2046
|
Pounds
| |
Kilometers
|
3,281
|
Feet
| |
Kilometers
|
1,093.60
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Yards
| |
Kilowatts
|
1.341
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Horsepower
| |
Kilowatts
|
103
|
Watts
| |
Kilowatt-Hours
|
3,415
|
British Thermal Units
| |
Liters
|
0.03531
|
Cubic Feet
| |
Liters
|
61.02
|
Cubic Inches
| |
Liters
|
0.2642
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Gallons
| |
Liters
|
2.113
|
Pints (Liq.)
| |
Liters
|
1.057
|
Quarts (Liq.)
| |
Meters
|
100
|
Centimeters
| |
Meters
|
3.2808
|
Feet
| |
Meters
|
39.37
|
Inches
| |
Meters
|
1.0936
|
Yards
| |
Miles
|
5,280
|
Feet
| |
Miles
|
1.6093
|
Kilometers
| |
Miles
|
1,760
|
Yards
| |
Miles/Hour
|
44.7
|
Centimeters/Sec.
| |
Miles/Hour
|
88
|
Feet/Minute
| |
Miles/Hour
|
1.467
|
Feet/Second
| |
Miles/Hour
|
1.6093
|
Kilometers/Hour
| |
Miles/Hour
|
26.82
|
Meters/Minute
| |
Millimeters
|
0.1
|
Centimeters
| |
Millimeters
|
0.03937
|
Inches
| |
Millimeters
|
39.37
|
Mils
| |
Months
|
30.42
|
Days
| |
Months
|
730
|
Hours
| |
Months
|
43,800
|
Minutes
| |
Ounces
|
16
|
Drams
| |
Ounces
|
437.5
|
Grains
| |
Ounces
|
28.35
|
Grams
| |
Ounces
|
0.0625
|
Pounds
| |
Ounces (Fluid)
|
1.805
|
Cubic Inches
| |
Ounces (Fluid)
|
0.02957
|
Liters
| |
Pints (Dry)
|
33.6
|
Cubic Inches
| |
Pints (Liq.)
|
28.87
|
Cubic Inches
| |
Pints (U.S. liquid)
|
16
|
Ounces (US fluid)
| |
Pounds
|
7,000
|
Grains
| |
Pounds
|
453.6
|
Grams
| |
Pounds
|
16
|
Ounces
| |
Pounds of Water
|
0.01602
|
Cubic Feet
| |
Pounds of Water
|
27.68
|
Cubic Inches
| |
Pounds of Water
|
0.1198
|
Gallons
| |
Pounds/Cubic Inch
|
1,728
|
Pounds/Cubic Foot
| |
Quarts (Dry)
|
67.2
|
Cubic Inches
| |
Quarts (Liq.)
|
57.75
|
Cubic Inches
| |
Quarts (U.S. liquid)
|
0.03342
|
Cubic Feet
| |
Quarts (U.S. liquid)
|
32
|
Ounces (US fluid)
| |
Quarts (U.S. liquid)
|
0.832674
|
Quarts (British)
| |
Revolutions
|
360
|
Degrees
| |
Revolutions
|
4
|
Quadrants
| |
Square Centimeters
|
0.155
|
Square Inches
| |
Square Centimeters
|
100
|
Square Millimeters
| |
Square Feet
|
144
|
Square Inches
| |
Square Feet
|
0.0929
|
Square Meters
| |
Square Feet
|
1/9
|
Square Yards
| |
Square Yards
|
9
|
Square Feet
| |
Square Yards
|
0.8361
|
Square Meters
| |
Temp. (Degs. C.)+17.8
|
1.8
|
Temp. (Degs. Fahr.)
| |
Temp. (Degs. F.)-32
|
5/9
|
Temp. (Degs. Cent.)
| |
Tons
|
907.2
|
Kilograms
| |
Tons (short)
|
2,000
|
Pounds
| |
Watts
|
1.341x10-3
|
Horsepower
| |
Watts
|
10-3
|
Kilowatts
| |
Weeks
|
168
|
Hours
| |
Weeks
|
10,080
|
Minutes
| |
Yards
|
91.44
|
Centimeters
| |
Yards
|
3
|
Feet
| |
Yards
|
36
|
Inches
| |
Yards
|
0.9144
|
Meters
| |
Years (Common)
|
365
|
Days
| |
Years (Common)
|
8,760
|
Hours
|

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