Length Converter
Convert between 20 different units of length measurement from microscopic (ångströms) to astronomical (parsecs) scales.
Length Conversion
Common Conversions
1 meter =
- 100 centimeters (cm)
- 3.28 feet (ft)
- 39.37 inches (in)
- 1.09 yards (yd)
1 kilometer =
- 1000 meters (m)
- 0.62 miles (mi)
- 0.54 nautical miles (nmi)
Length Facts
- The ångström is named after Swedish physicist Anders Jonas Ångström (1814-1874).
- A light year is about 9.46 trillion kilometers or 5.88 trillion miles.
- The nautical mile is based on the circumference of the Earth and is equal to one minute of latitude.
- The width of a human hair ranges from 17 to 181 micrometers.
- The meter was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole.