Number base converter
Convert integers exactly between bases 2–36, including negative and very large values, with common base results shown together.
Unit converter
Convert length, mass, area, volume, temperature, speed, data size and time, with editable values on both sides.
About this tool
Convert length, mass, area, volume, temperature, speed, data size and time, with editable values on both sides.
How to use
Choose a measurement and two units, then type on either side. Other common conversions appear below. US and Imperial gallons and fluid ounces are kept distinct.
Data units kB and MB use powers of 1,000; KiB and MiB use 1,024. B means bytes, while bit means bits. Temperatures below absolute zero are rejected. Results show up to 12 significant digits. Use a decimal point or scientific notation for input.
You can also use the current interface language’s decimal separator. Do not enter thousands separators. Editing either side updates the other without rewriting the field you are typing in.
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