Converting Units

Updated February 21, 2017 | Factmonster Staff

How do I convert metric to U.S units and vise versa (kilograms to pounds, meters to feet, centimeters to inches, liters to gallons, etc.)? How do I convert Celsius temperatures to Fahrenheit? How many pints are in a gallon? How do I convert square feet to square inches?

For help setting up unit conversion problems and doing the math, see these tips from Dr. Math on

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