Unit Converter
Convert length, weight, temperature, volume, area, speed, data and time units.
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In every unit
Runs entirely in your browser. Nothing you enter is uploaded.
Quick, exact unit conversions
Convert between metric, imperial and US customary units for cooking, travel, DIY and school work. Choose a measurement, type a value and see it in every unit at once.
Frequently asked questions
What is the difference between MB and MiB?
A megabyte (MB) is 1,000,000 bytes; a mebibyte (MiB) is 1,048,576 bytes (1024 × 1024). Storage makers usually use MB and GB; operating systems often use MiB and GiB.
Are US and UK gallons the same?
No. A US gallon is about 3.785 litres; a UK (imperial) gallon is about 4.546 litres.
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