Converting Measures

There are a number of approximate conversions between metric and US length units.

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Metric to US Conversion

Metric US
1 centimeter (cm) 0.39 inches (in)
1 meter (m) 3.28 feet (ft)
1 meter (m) 1.09 yards (yd)
1 kilometer (km) 0.62 miles (mi)

US to Metric Conversion

US Metric
1 inch (in) 2.54 centimeters (cm)
1 foot (ft) 0.30 meters (m)
1 yard (yd) 0.91 meters (m)
1 mile (mi) 1.61 kilometers (km)

Measurement Approximations

Measurement conversions can also be approximated as:

  • A meter is about the same length as a yard.
  • A meter is about three feet long.
  • A decimeter is about four inches long.
  • An inch is about 25 millimeters.
  • A foot contains about 30 centimeters.
  • A foot contains about 3 decimeters.
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