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Unit Converter — Length, Weight, Temperature, Area & More

Free unit converter. Convert length, weight, temperature, area, volume, speed and digital storage units instantly, including feet, metres, kg, lb and °C/°F.

Runs in your browser — your data is never uploaded.

About this calculators tool

Convert between common units in seconds: length (metres, feet, inches, kilometres, miles), weight (kg, grams, pounds, ounces), temperature (Celsius, Fahrenheit, Kelvin), area (including acres and square feet), volume, speed and digital data sizes. Pick a category, enter a value and choose the units.

How to use

How to use the Unit Converter

  1. Choose a category.
  2. Select the from and to units.
  3. Enter a value and read the converted result.
FAQ

Unit Converter — frequently asked questions

How do I convert Celsius to Fahrenheit?

°F = °C × 9/5 + 32.

How many feet are in a metre?

One metre is about 3.28084 feet.

Are results rounded?

Results show up to eight significant digits.

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