Unit Converter
Enter one number and see it in every unit of the same kind — length, weight, area, volume, temperature, speed or data.
This tool runs entirely in your browser. Nothing you add is uploaded to any server.
Last checked: · Made by Fingertip Workshop
How to use
- 1
Pick a category tab.
- 2
Enter a value and its unit; every other unit appears below.
- 3
Copy any value with the button on the right.
Handy conversions
| From | To |
|---|---|
| 1 inch | 2.54 cm |
| 1 foot | 30.48 cm |
| 1 mile | 1.609 km |
| 1 kg | 2.205 lb |
| 1 m² | 10.764 ft² |
| °F | °C × 9/5 + 32 |
Units that trip people up
- Storage sizes — a 1 TB drive is 10¹² bytes, which Windows shows as about 931 GB. Compare decimal and binary units on the Data tab.
- Cups — a US cup is about 240 ml; many other countries use 200–250 ml.
- Gallons — US (3.785 L) and UK (4.546 L) gallons differ.
FAQ
What's 98.6 °F in Celsius?
37 °C. Celsius = (Fahrenheit − 32) × 5/9.
How big is a 27-inch monitor in cm?
About 68.6 cm diagonally.
How accurate is it?
We use international standard factors. Traditional units like the Korean pyeong are included for reference.