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Metric to imperial length converter

Convert kilometres, metres and centimetres to inches, feet, yards, statute miles and nautical miles, and the other way round. The table below shows the same length in every unit at once.

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Foot

3.280839895 ft

Equivalents

Kilometre0.001 km
Metre1 m
Centimetre100 cm
Inch39.37007874 in
Foot3.280839895 ft
Yard1.093613298 yd
Statute mile0.0006213711922 mi
Nautical mile0.0005399568035 nmi

Uses the exact equivalences fixed by the 1959 international yard and pound agreement and the definition of the nautical mile:

  • 1 inch = 2.54 cm
  • 1 foot = 12 inches = 30.48 cm
  • 1 yard = 3 feet = 0.9144 m
  • 1 statute mile = 1760 yards = 1609.344 m
  • 1 nautical mile = 1852 m

Use cases

  • Understanding screen, wheel or pipe sizes given in inches.
  • Converting heights in feet and distances in miles.
  • Converting sea or air navigation distances in nautical miles.

How it works

  1. 1

    Type the amount

    Decimals with a dot or a comma are accepted, as are negative values.

  2. 2

    Pick the units

    Choose the source and target units; the result and the equivalents table update instantly.

Technical details

  • The US survey foot, which differed by 2 parts per million, isn't included; it was retired in 2023.
  • Results use 10 significant figures; very large or very small values are shown in scientific notation (e.g. 1e-10).

Frequently asked questions

How many centimetres are in an inch?

Exactly 2.54 cm since 1959.

What's the difference between a statute and a nautical mile?

The statute mile is 1609.344 m and is used on roads; the nautical mile is 1852 m and is used in sea and air navigation.

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