Unit Converter

Convert between metric and imperial units for length, weight, temperature, area, and speed — free and instant.

About the Unit Converter tool

Unit Converter turns any measurement into another unit across five everyday categories: length, weight, temperature, area, and speed. Switch between metric and imperial systems in a single tap, and the result updates as you type. Students, travelers, cooks, and DIYers rely on the Unit Converter for quick, accurate conversions right in the browser.

How to use the Unit Converter

  1. Choose a category like Length or Weight.
  2. Enter a value and pick the From unit.
  3. Pick the To unit.
  4. The converted result appears instantly.

Features

  • Five categories: length, weight, temperature, area, speed.
  • Live conversion as you type.
  • Handles metric and imperial units.
  • Accurate temperature formulas for C, F, and K.
  • Free, private, and instant.

Your privacy

The Unit Converter runs entirely inside your web browser. Your files and text are never uploaded to any server, so your data stays private on your own device — just like the workflow trusted on sites such as iLovePDF and Sejda, but with nothing leaving your computer.

Frequently asked questions

Does it convert temperature correctly?

Yes, it uses the proper formulas to convert between Celsius, Fahrenheit, and Kelvin.

Can I convert between metric and imperial?

Yes, mix any units within a category, such as kilometers to miles.

Is my data saved?

No, all conversions happen on your device.

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