Weights and Measures

Use this table to convert the English system (or the imperial system), the system of units common in the United States (e.g., inches, miles, quarts), to the metric system (e.g., meters, kilometers, liters) or to convert the metric system to the English system. You can convert one measurement into another by multiplying. For example, to convert centimeters into inches, multiply the number of centimeters by 0.3937. To convert inches into centimeters, multiply the number of inches by 2.54.

Periodic Table

SI Prefixes