Unit Converter
To convert units, choose a category (length, weight, volume, area, data or temperature), enter a value and pick the units. Conversions use exact defined factors.
- Free
- No signup
- Runs in your browser
How to use Unit Converter
- 1Type or paste your input into the Unit Converter.
- 2Choose any options you need.
- 3See the result update instantly.
- 4Copy the result or download it.
Unit Converter: questions people ask
Are conversions exact?
Yes. Factors such as 1 inch = 2.54 cm are exact definitions.
Is temperature handled differently?
Yes. Temperature uses offset formulas rather than a single factor.
Is my data uploaded when I use the Unit Converter?
No. The Unit Converter runs entirely in your web browser, so your text and numbers stay on your device and work even on a slow connection.
Does the Unit Converter work on iPhone, Android and Mac?
Yes. The Unit Converter runs in any modern browser (Safari, Chrome, Edge or Firefox) on iPhone, iPad, Android phones, Mac, Windows and Chromebook. There is no app to install.
Is the Unit Converter free?
Yes. The Unit Converter is free with no signup, no watermark and no daily limit.
Are the conversions exact?
The factors are the defined ones: 1 inch = 0.0254 metre, 1 pound = 0.45359237 kilogram, 1 US gallon = 3.785411784 litres. Temperature uses the exact Celsius, Fahrenheit, and Kelvin formulas. Data sizes are labeled as decimal (1000) or binary (1024).