Browser utility · No upload
Unit Converter
Convert length, weight, temperature, and data units — free, private, and instant.
Runs locally in your browser — your input is never uploaded or stored.
About this tool
Unit Converter lets you convert length, weight, temperature, and data units without installing an app or creating an account. Switch between metric, imperial, decimal data, and binary data units with instant results.
Convert kilometers to miles, kilograms to pounds, Celsius to Fahrenheit, or megabytes to mebibytes for recipes, travel, shipping, and technical work.
How it works
- Enter or choose your values
- Review the instant result
- Copy or download the result
Frequently asked questions
How do I use Unit Converter?
Enter or choose your input in the tool above. The result updates immediately or appears when you select the action, ready to copy or download.
Does it handle the difference between MB and MiB?
Yes. Data-size conversion supports both decimal (1000-based MB) and binary (1024-based MiB) units so byte math stays accurate.
Is Unit Converter free, and is my data private?
Yes. Unit Converter is free with no account or watermark, and it runs entirely in your browser so your input is never uploaded, stored, or shared.
Does it work on phones and tablets?
Yes. It works in current browsers on Android, iPhone, iPad, Windows, macOS, and Linux.