Length Converter

Convert metres, feet, inches, miles, km and more instantly. Convert length and distance units instantly: metres, kilometres, feet, inches, miles, yards, centimetres, millimetres and nautical miles. Free length converter.

Cet outil fonctionne à 100 % dans votre navigateur. Vos saisies ne sont jamais envoyées à un serveur : vous pouvez même passer hors ligne après le chargement de la page.

À propos de Length Converter

Metric or imperial, blueprints or road signs — length is the unit conversion people need most. Enter a value, pick the unit, and this converter fills in every other unit at once: millimetres through kilometres, inches, feet, yards, miles and nautical miles. It uses exact definitions (1 inch = 25.4 mm exactly), so results are precise enough for engineering as well as everyday questions like "how many km is a 10K run?"

Comment utiliser Length Converter

  1. Enter the length you want to convert.
  2. Choose its unit from the dropdown.
  3. Read every other unit instantly in the table.
  4. Use swap to reverse the main pair.

Fonctionnalités clés

How many feet are in a metre?
Exactly 3.28084 feet — the conversion factor used throughout this tool, derived from the definition 1 inch = 25.4 mm.
What is a nautical mile?
Exactly 1,852 metres — one minute of latitude, which is why aviation and sea navigation use it.

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