Unit Converter
Convert between units of length, mass, volume, area, speed, digital storage, time and temperature instantly. Enter one value and see every unit at once. Free, accurate, in-browser.
How to use the Unit Converter
- 1
Choose a category (Length, Mass, Temperature…).
- 2
Type a value and pick the unit you're converting from.
- 3
Every other unit updates instantly in the list.
- 4
Copy any converted value with one tap.
Frequently asked questions
What's different about this converter?
Instead of picking one target unit, you enter a value once and see it converted into every unit in that category at the same time.
Are the conversions accurate?
Yes — we use standard conversion factors, and temperature uses exact Celsius/Fahrenheit/Kelvin formulas.
Which categories are covered?
Length, Mass, Volume, Area, Speed, Digital storage, Time and Temperature.
Tips & discussion
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