Are these converters free?
Yes — all 12 converters on unitconverttools.com are completely free. No account, no payment, no download required.
How accurate are the conversions?
All conversions use exact international standard conversion factors. Results are accurate to at least 6 significant figures.
Do the tools work on mobile?
Yes. Every converter on unitconverttools.com is fully responsive and works perfectly on phones, tablets and desktops.
Do I need to create an account?
No. Just open any converter and start converting instantly — no sign-up or personal data required.