Unit converter

Convert length, mass, area, volume, temperature, speed, pressure, energy and data units.

3 guest runs per rolling 24 hours10 with a free accountPrivate inputsMobile-friendly

Unit converter workspace

Runs locally in your browser

Result

Converted value—

Full conversion—

Method—

Use it with confidence

How to use the unit converter.

Add the requested inputs

Use the labelled fields in the workspace above. If example values are provided, try them first or replace them with your own.

Calculate and review

Use the main action when needed. Linear units convert through a category base factor. Temperature uses affine Celsius, Fahrenheit and Kelvin formulas.

Try a worked example

Switch categories, choose source and target units, then reverse them with one button.

Check the assumptions

Data units clearly distinguish decimal powers of 1000 from binary powers of 1024.

Helpful answers

Unit converter FAQs.

Is the unit converter free?

Yes. Guests receive 3 runs per rolling 24 hours, verified free accounts receive 10, and Premium subscribers receive unlimited normal use.

Does UtilHub upload or save my inputs?

No. This tool runs in your browser and UtilHub does not receive or store the values you enter. Your browser or device may still retain normal local history or form data.

How does this unit converter work?

Linear units convert through a category base factor. Temperature uses affine Celsius, Fahrenheit and Kelvin formulas.

What should I check before using the result?