Speed Converter
Convert mph, km/h, m/s, knots and feet per second.
All units
About this tool
Convert speeds between miles per hour, kilometers per hour, meters per second, feet per second and knots. Useful for reading foreign speed limits, comparing run paces, or working with wind and boat speeds.
Enter a value, pick your units, and the result updates as you type. The table below shows the same speed in every unit at once.
Frequently asked questions
- How do I convert mph to km/h?
- Multiply miles per hour by 1.609344. So 60 mph is about 96.6 km/h. Enter a value above for the exact figure.
- What is a knot?
- One nautical mile per hour, used at sea and in aviation. One knot is exactly 1.852 km/h.
- How fast is 100 km/h in mph?
- About 62.1 mph. Type 100, pick km/h as the from unit and mph as the to unit to see it.
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