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Length Converter

Convert between metric and imperial length units: meters, feet, inches, miles, and more.

15 units
6 decimals

1 m = 3.28084 ft

About the length converter

The length converter handles linear measurement across the metric, imperial, US customary, and astronomical systems. The SI base unit for length is the meter, defined by the speed of light in vacuum. This tool covers everything from nanometers used in microscopy to nautical miles, light-years, and parsecs used in navigation and astronomy.

Common conversions

cm to inches inches to cm mm to inches inches to mm meters to feet feet to meters km to miles miles to km cm to feet feet to cm inches to feet feet to inches meters to yards yards to meters

Frequently asked questions

  • How many feet are in a meter?

    One meter equals approximately 3.28084 feet.

  • How many centimeters are in an inch?

    One inch equals exactly 2.54 centimeters.

  • How many kilometers are in a mile?

    One mile equals approximately 1.609344 kilometers.

  • What is the SI base unit for length?

    The meter (m). Since 1983 it has been defined by the distance light travels in vacuum during 1/299,792,458 of a second.

More common converters

Weight and Mass → Volume → Temperature → Area → Pressure → Energy → Speed → Time →

Complete list of length units