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Free Unit Converter
Convert units free — length, weight, temperature, area, volume, speed, and more. Instant results, no sign-up, works offline.
About this tool
Convert between 80+ units across length, weight, temperature, area, volume, speed, time, and digital storage — all instantly in your browser. Switch between metric and imperial, convert km to miles, kg to lbs, Celsius to Fahrenheit, and much more.
0.1
1 Millimeter = 0.1 Centimeter
All Length Conversions
Millimeter (mm)
1
Centimeter (cm)
0.1
Meter (m)
0.001
Kilometer (km)
0.000001
Inch (in)
0.0393701
Foot (ft)
0.00328084
Yard (yd)
0.00109361
Mile (mi)
6.21371e-7
Nautical Mile
5.39957e-7
How we calculate this
All calculations run entirely in your browser — no data is sent to any server. Here is exactly how this tool works:
- Select a measurement category (Length, Weight, Temperature, etc.)
- Enter a value in any unit field
- All equivalent values update instantly across every unit in the category
- Use the search box to quickly find the unit you need
Frequently Asked Questions
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