Convert Tools

Unit Converter

Convert between all common units instantly. Type in any field and every other unit updates at once. Covers length, weight, temperature, volume, area, speed, data, time, energy, pressure, and cooking.

1 m = 100 cm = 3.281 ft = 39.37 in  |  1 km = 0.621 mi

How to use

Choose a category from the tabs, then type a number in any unit field. All other units update immediately. Switch categories at any time — your input resets for the new category.

Frequently asked questions

How does the converter work?

Select a category, type a value in any unit field, and all other units update instantly. You can type in any field — not just the first one.

Are the conversions accurate?

Yes. All conversions use precise base-unit formulas. Temperature uses the exact Celsius↔Fahrenheit↔Kelvin formulas, not approximations.

What unit categories are supported?

Length, Weight, Temperature, Volume, Area, Speed, Data Storage, Time, Energy, Pressure, and Cooking measurements.

Does it work offline?

Yes. All conversions run in your browser with no server calls.

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