Free Unit Converter Online (Length, Weight, Temperature)
Use this free unit converter for length, weight, and temperature. Fast, private, and works directly in your browser.
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What is Unit Converter?
Unit Converter converts between common units of length, weight/mass, and temperature — like meters to feet, kilograms to pounds, and Celsius to Fahrenheit. Conversions run instantly in your browser.
How to use this tool
- Choose a category (length, weight, temperature).
- Enter a value and pick the from/to units.
- Read the converted result.
Features
- Length, weight, and temperature
- Common metric and imperial units
- Instant two-way conversion
- Copy the result
- Runs entirely in your browser
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
Which units are supported?+
Common length (m, km, mi, ft, in), weight (kg, g, lb, oz), and temperature (C, F, K) units.
Is the conversion accurate?+
Yes. It uses standard conversion factors.
Is anything uploaded?+
No. Conversion happens in your browser.
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