Unit Converter
Length, mass, area, volume, speed, temperature, data and more.
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About the Unit Converter
Convert between units across ten categories: length, mass, area, volume, speed, temperature, time, digital storage, pressure and angle. The Toolcenter Unit Converter shows the result instantly plus a table of the value in every unit in that category, and lets you swap the direction with one click.
How to use it
- 1Choose a category such as length or mass.
- 2Enter a value and pick the “from” unit.
- 3Pick the “to” unit, or press swap.
- 4Copy the result or read the full conversion table.
Key features
- 10 measurement categories
- Instant full-table conversion
- Metric and imperial units
- One-click direction swap
- Runs offline
Frequently asked questions
How is temperature converted?+
Celsius, Fahrenheit and Kelvin are converted through Kelvin using the correct offset formulas rather than simple ratios.
Does it cover data storage units?+
Yes, including the binary units — KiB, MiB, GiB — alongside decimal KB, MB and GB.
Can I see one value in every unit at once?+
Yes. Below the converter is a table showing your value expressed in every unit of the chosen category.
Is anything uploaded?+
No. All conversions are calculated in your browser.
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