 Measurement Facts  
 U.S. Customary System  Metric System 
Units of Length 
1 foot = 12 inches 1 yard = 3 feet
1 yard = 36 inches (in)
1 mile (mi) = 1760 yards (yd)
1 mile (mi) = 5280 feet (ft) 
1 centimeter = 10 millimeters
1 decimeter = 10 centimeters
1 meter = 10 decimeters (dm)
1 meter = 100 centimeters (cm)
1 meter = 1000 millimeters (mm)
1 meter = 10 decimeters
1 kilometer (km) = 1000 meters (m) 
Units of Area 
1 square yard (yd^{2}) = 9 square feet (ft^{2})
1 square yard (yd^{2}) = 1296 square inches (in^{2})
1 square foot = 144 square inches
1 acre = 43,560 square feet
1 square mile (mi^{2}) = 640 acres

1 square meter (m^{2}) = 100 square decimeters (dm^{2})
1 square meter (m^{2}) = 10,000 square centimeters (cm^{2})
1 square decimeter = 100 square centimeters
1 are (a) = 100 square meters
1 hectare (ha) = 100 ares
1 square kilometer (km^{2}) = 100 hectares

Units of Volume 
1 cubic yard (yd^{3}) = 27 cubic feet (ft^{3})
1 cubic foot = 1728 cubic inches (in^{3})

1 cubic meter (m^{3}) = 1,000 cubic decimeters (dm^{3})
1 cubic meter (m^{3}) = 1,000,000 cubic centimeters (cm^{3})
1 cubic decimeter = 1000 cubic centimeters

Units of Capacity 
1 gallon (gal) = 4 quarts (qt)
1 quart = 2 pints (pt)
1 pint = 2 cups (c)
1 cup = 8 fluid ounces (fl oz)
1 fluid ounce = 2 tablespoons (tbs)
1 tablespoon = 3 teaspoons (tsp)

1 kiloliter (kL) = 1000 liters(L)
1 liter = 1000 milliliters (mL)

Units of Weight/Mass 
Units of Weight
1 pound = 16 ounces (oz)
1 ton (T) = 2000 pounds (lb)

Units of Mass
1 gram = 1000 milligram (mg)
1 kilogram = 1000 grams (g)
1 metric ton (t) = 1000 kilograms (kg)

Units of Temperature 
Degree Fahrenheit 
Degree Celsius 