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Convertisseur d'unités

Longueur, poids, température…

À propos de cet outil

Convert between metric and imperial units across the most common categories - length, mass, volume, area, speed and temperature. All conversions run locally with full floating-point precision.

Handy for cooking, travel, engineering work, and homework alike.

Fonctionnalités

  • Length, mass, volume, area, speed, temperature
  • Metric and US/Imperial units side by side
  • Accurate temperature conversions (°C, °F, K)
  • Instant, no-network conversion

Comment l'utiliser

  1. Pick a category.
  2. Choose the source and target units.
  3. Type a value - the converted result updates as you type.
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Questions fréquentes

Are US and UK volumes different?

Yes - a US gallon is 3.785 L, a UK gallon is 4.546 L. Both are listed separately under Volume.

How precise are the results?

Conversions use double-precision floats and standard NIST conversion factors, then round to 10 significant digits for display.