This speed converter changes velocity between miles per hour, kilometers per hour, meters per second, and knots. Enter a value above for an instant conversion.
Key factors
1 mph = 1.609 km/h 1 m/s = 3.6 km/h 1 knot = 1.852 km/h
Example
60 mph = 60 × 1.609 = 96.6 km/h.
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Frequently Asked Questions
How do I convert mph to km/h?
Multiply miles per hour by 1.609. So 60 mph is 96.6 km/h.
How fast is 1 m/s in km/h?
One meter per second equals 3.6 kilometers per hour.
What is a knot?
A knot is one nautical mile per hour, equal to 1.852 km/h.