All Unit Converters — 200+ Units

Convert between units across 10 categories: length, weight, temperature, volume, area, speed, time, data storage, pressure, and energy. Instant, private, browser-based.

🔒Privacy first: All conversions happen locally. Your numbers never leave your device.
1 meter

How to Use the Unit Converter

1

Select a Category

Click on a category tab — Length, Weight, Temperature, or any of the 10 supported types.

2

Enter Your Value

Type the number you want to convert. The result updates in real time as you type.

3

Choose Units

Select the source and target units from the dropdowns. Use the swap button to reverse.

Frequently Asked Questions

All Unit Converters supports 10 categories: length, weight/mass, temperature, volume, area, speed, time, data storage, pressure, and energy. Each category includes common and specialized units.
Yes. All conversions use internationally recognized standard formulas and conversion factors. Results are displayed with up to 10 decimal places for precision.
No. Every conversion runs locally in your browser using JavaScript. Your numbers never leave your device. You can verify this in your browser's Network tab.
Yes, completely free with no limits, no signup, and no restrictions. All 200+ units across all categories are available without any gates.
Ad