FAQ

Are the calculators free?

Yes. CalculatorX tools are free to use in your browser.

Do calculations leave my device?

Interactive calculators on the new pages run locally in your browser. We do not require an account to calculate.

Why do some pages look different?

We are gradually rebuilding high-traffic tools with a new design. Older .htm pages remain available so existing links and search results keep working.

How do I find a tool?

Use the search button (⌘K), the homepage search field, or browse categories such as Calculators, Converters, Electrical, and Math.