Unit Converter

Pick a category (like length or weight), choose the unit you're converting from and to, and enter a value — the result updates instantly. Each value is converted through a base unit, so any pair within a category works.

Multiply the Celsius temperature by 9/5 and add 32 (°F = °C × 9/5 + 32). To reverse it, subtract 32 then multiply by 5/9. Select Temperature above and the tool does it for you.

It covers length, weight, temperature, volume, area, and speed, with common metric and imperial units in each — metres and feet, kilograms and pounds, litres and gallons, square metres and acres, and more.

Yes — free, no sign-up, and every conversion runs in your browser, so nothing you enter is uploaded.