Measure Converter

Length Converter

Did You Know?

The mile was defined by the Romans as 1,000 paces (mille passus in Latin).

A meter was intended to be one ten-millionth of the distance from the North Pole to the equator.

The longest road in the world, the Pan-American Highway, spans 19,000 miles (30,000 km)!

Quick Reference

  • 1 km = 1000 m
  • 1 m = 100 cm
  • 1 cm = 10 mm
  • 1 mm = 1000 μm (micrometers)
  • 1 μm = 1000 nm (nanometers)
  • 1 in = 2.54 cm
  • 1 ft = 12 in
  • 1 yd = 3 ft
  • 1 chain = 22 yd
  • 1 rod (pole) = 5.5 yd
  • 1 fathom = 6 ft
  • 1 mi = 1760 yd
  • 1 nmi (nautical mile) = 1852 m
  • 1 league = 3 mi