How to use / Why use this tool / FAQ
How to use
Select a category (Length, Weight, Temperature, etc.), choose the From and To units, then type a value. The converted result appears instantly. Use the ⇄ button to swap units.
Why use this tool
Convert between metric and imperial units without memorising formulas. Covers length, weight, temperature, volume, area, and speed — all in one free browser tool.
FAQ
- How do I convert Celsius to Fahrenheit?
- Select Temperature, choose °C as From and °F as To, then enter the value. Formula: °F = °C × 9/5 + 32.
- Does this work without internet?
- Yes. All conversions are pure mathematics and run entirely in your browser with no server calls.
- Is the unit converter free?
- Yes — completely free, no sign-up, no download required.