Converting Units

Updated August 5, 2020 | Infoplease 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

  • Unit Conversions
  • Unit Conversions ­ Metric System
  • Converting Square Feet to Square Yards
  • Converting Celsius to Fahrenheit
  • See also this short Unit Conversions Tutorial.
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