Unit Converter
Length, weight, temperature and more.
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Every unit you'll need
Kilometres to miles, Celsius to Fahrenheit, cups to millilitres, megabytes to mebibytes — pick a category and convert in either direction.
Below the main result you'll see your value in every other unit of that category.
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Frequently asked questions
Why are there two kinds of gallon?
A US gallon is 3.785 litres; an imperial (UK) gallon is 4.546 litres.
What's the difference between MB and MiB?
A megabyte is 1,000,000 bytes; a mebibyte is 1,048,576. Operating systems often mix them up.
How accurate are the conversions?
They use exact definitions where they exist (an inch is exactly 2.54 cm).