How to convert units
- Choose the kind of measurement.
- Type a value and choose the 'from' and 'to' units.
- Read the answer, or look in the table for every unit.
About this tool
Choose what you are measuring, type a value, and pick the units to convert from and to. The result updates as you type, and a table shows the same value in every unit of that kind. Factors come from the exact SI and NIST definitions, and Indian units such as acre, guntha and tola are included.
Common questions
Are the conversions exact?
The factors are the exact legal definitions, such as 1 inch = 25.4 mm and 1 pound = 0.45359237 kg. Results are shown to 10 significant digits.
Why does a bigha not appear with a fixed size?
A bigha differs by state and even district. Enter its size in square feet on the area converter to add it.
Does it work offline?
Once the page has loaded, the conversions run in your browser and need no internet.
Is it free to use?
Yes. There's no sign-up, and you can use it as often as you like.
Is my text uploaded anywhere?
No. This tool runs inside your browser, so what you enter stays on your device.
Do I need to install anything?
No. It works in your browser on a computer or a phone.