★ Free Calculator
Unit Converter
Convert length, weight, temperature, area, volume, speed and data units.
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Runs entirely in your browser. Your files and text are never uploaded to our server.
About this toolUnit Converter switches between metric and imperial units for cooking, travel, school work and engineering.
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Unit Converter switches between metric and imperial units for cooking, travel, school work and engineering.
More about Unit ConverterHow to use, good to know & FAQ
How to use Unit Converter
- Choose a category such as Length or Temperature.
- Enter a value and pick the units to convert from and to.
Frequently asked questions
How accurate is it?
Conversions use standard exact factors and show up to 10 significant digits.
How many cm are in an inch?
One inch is exactly 2.54 centimetres.
How do I convert Celsius to Fahrenheit?
Multiply by 9/5 and add 32.
When to use Unit Converter
- Convert recipes between cups and millilitres
- Switch between kg and lbs
- Convert Celsius and Fahrenheit
- Translate file sizes between MB and GB
📘 Read the guide: How to Calculate Percentages: Simple Formulas With Examples