Unit ConverterFree browser tool
KMPH to MPH Converter – km/h to mph
Convert kilometers per hour to miles per hour. 1 km/h = 0.621371 mph.
No sign-upMobile readyPrivate by default
UNI
Tool
Enter your values and get results instantly.
HOW
How to Use
- 1Enter km/h
- 2See mph instantly
- 3Also shows m/s
WIN
Benefits
Instant results
Speed comparison
Bidirectional
Free
Driving & sports
FAQ
Frequently Asked Questions
How do I convert km/h to mph?
Multiply the speed in km/h by 0.621371. For example, 100 km/h = 62.1 mph. Our tool does this calculation automatically.
What are common speed limits in km/h and mph?
50 km/h ≈ 31 mph (city limit), 80 km/h ≈ 50 mph, 100 km/h ≈ 62 mph, 120 km/h ≈ 75 mph (highway limit in many countries).
Can I use this for running speeds?
Yes – if you run at 10 km/h, that is about 6.2 mph or a 6-minute per kilometer pace. Great for treadmill conversions.
Does it also show meters per second?
Yes – the result also displays m/s. 1 km/h = 0.2778 m/s. Useful for physics and engineering calculations.
Can I convert mph back to km/h?
Yes – we also have an MPH to KMPH converter. Both tools are free.