A note on the metric system:
Before you use this table, convert to the base measurement first. For example, convert centimeters to meters, convert kilograms to grams.
The notation 1.23E - 4 stands for 1.23 x 10-4 = 0.000123.
To use: Find the unit to convert from in the left column, and multiply it by the expression under the unit to convert to.
Examples: foot = 12 inches; 2 feet = 2x12 inches.
Useful Exact Length Relationships
mile = 1760 yards = 5280 feet
yard = 3 feet = 36 inches
foot = 12 inches
inch = 2.54 centimeters
Unit Conversion Tables for Areas
A note on the metric system:
Before you use this table convert to the base measurement first. For example, convert centimeters to meters, convert kilograms to grams.
The notation 1.23E - 4 stands for 1.23 x 10-4 = 0.000123.
To use: Find the unit to convert from in the left column, and multiply it by the expression under the unit to convert to.
Examples: foot2 = 144 inches2; 2 feet2 = 2x144 inches2.
Useful Exact Area & Length Relationships
acre = (1/640) miles2
mile = 1760 yards = 5280 feet
yard = 3 feet = 36 inches
foot = 12 inches
inch = 2.54 centimeters
Note that when converting area units:
1 foot = 12 inches
(1 foot)2 = (12 inches)2 (square both sides)
1 foot2 = 144 inches2
The linear & area relationships are not the same!
A note on the metric system:
Before you use this table, convert to the base measurement first. For example, convert centimeters to meters, kilograms to grams, etc.
The notation 1.23E - 4 stands for 1.23 x 10-4 = 0.000123.
To use: find the unit to convert from in the left column, and multiply it by the expression under the unit to convert to.
Examples: foot3 = 1728 inches3; 2 feet3 = 2x1728 inches2.
Useful Exact Volume Relationships
fluid ounce = (1/8) cup = (1/16) pint = (1/32) quart = (1/128) gallon
gallon = 128 fluid ounces = 231 inches3 = 8 pints = 4 quarts
quart = 32 fluid ounces = 4 cups = 2 pints = (1/4) gallon
Useful Exact Length Relationships
cup = 8 fluid ounces = (1/2) pint = (1/4) quart = (1/16) gallon
mile = 63360 inches = 5280 feet = 1760 yards
yard = 36 inches = 3 feet = (1/1760) mile
foot = 12 inches = (1/3) yard = (1/5280) mile
pint = 16 fluid ounces = (1/2) quart = (1/8) gallon
inch = 2.54 centimeters = (1/12) foot = (1/36) yard
liter = 1000 centimeters3 = 1 decimeter3 = (1/1000) meter3
Note that when converting volume units:
1 foot = 12 inches
(1 foot)3 = (12 inches)3 (cube both sides)
1 foot3 = 1728 inches3
The linear & volume relationships are not the same!