Length converter
Convert metric and imperial lengths. Edit either value to update the other.
Both values are editable. Changing a unit keeps the same quantity.
Choose feet & inches to enter a mixed measurement, such as 5 ft 6 1/2 in. Inches also accept fractions such as 3 1/2.
Conversion factors
- 1 inch = 2.54 centimetres
- 1 foot = 0.3048 metres
- 1 yard = 3 feet
- 1 mile = 1.609344 kilometres
Converted values display up to 12 significant digits. Unit changes use the full stored quantity.
Reference: NIST unit conversion tables.