Unit Converter

Convert between units of length, weight, temperature, volume, area, and speed.

Value

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What is Unit Converter?

Unit Converter is a free online tool for converting between measurement units: length, weight, temperature, volume, area, and speed. Useful for testing applications that handle unit conversions.

How to convert units online?

Select the category (length, weight, temperature, etc.)
Enter the value you want to convert
Select the source unit and target unit
The converted value appears instantly

Supported unit types

Supports length (km, m, cm, miles, feet), weight (kg, g, lb, oz), temperature (Celsius, Fahrenheit, Kelvin), volume (liters, ml, gallons), and more.