How do I convert Celsius to Fahrenheit?

Select Temperature category, enter your Celsius value, and the Fahrenheit result appears instantly. The formula is °F = (°C × 9/5) + 32. For example, 100°C = 212°F.

How do I convert km to miles?

Select Length, enter your km value. The tool shows miles and all other length units simultaneously. 1 km = 0.621371 miles.

What unit categories are available?

Length, Weight/Mass, Temperature, Area, Volume, Speed, Time, Data Storage, Energy, and Pressure — covering over 80 individual units.

How accurate are the conversions?

Conversions use precise conversion factors from international standards. Results are shown to up to 6 significant figures for accuracy.

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Free Unit Converter

Convert units online free. Length, weight, temperature, area, volume, speed, data, and more. 80+ unit conversions instantly in your browser.

From

0.1

1 Millimeter = 0.1 Centimeter

All Length Conversions

Millimeter (mm)

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

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.