Unit Converter
Convert between everyday units, and see the value in every unit of that category at once.
Use the tool
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How to use it
- Choose a category such as length or weight.
- Enter the value and pick the From and To units.
- Read the result, or check the table for all units.
Tips for best results
- Digital storage uses 1024 bytes per kilobyte here, as many operating systems do.
- Temperature conversions use the exact formulas rather than ratios.
Frequently asked questions
Which units are included?
Common metric and imperial units in eight categories, including acres, hectares, miles per hour and gigabytes.
Is the conversion exact?
Factors are standard definitions; displayed results are rounded to about ten significant digits.