Speed Converter
km/h, mph, m/s and knots — quick conversion.
Conversion to all units
How it works
Convert speeds between km/h, mph, m/s, knots and feet per second.
Supported units: km/h, mph, m/s, nós, ft/s. Type any value and see the conversion to every unit in real time.
Practical examples
100 km/h in mph
100 km/h ≈ 62.137 mph
60 mph in km/h
60 mph ≈ 96.561 km/h
Frequently asked questions
Are the conversions exact?
We use official SI conversion factors. Results are rounded to up to 6 decimal places.
Does it work offline?
Yes — everything runs in your browser, no data is sent to servers.
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⚠️ Disclaimer
This calculator is for educational and informational purposes only. Results are estimates based on public formulas and may contain inaccuracies or be outdated. We are not accountants, lawyers, doctors, or financial advisors — for any important decision (tax filings, contracts, diagnoses, financial planning), always consult a qualified professional. calculadora.work assumes no liability for decisions made based on the content of this site.