Speed Converter

Convert between km/h, m/s, mph, knots, and other speed units. Ideal for comparing vehicle speeds, wind speeds, and maritime velocities.

Frequently Asked Questions

How do I convert km/h to m/s?
Divide the km/h value by 3.6 to get m/s. For example, 100 km/h equals approximately 27.78 m/s.
What is the difference between mph and km/h?
MPH (Miles Per Hour) is used in the US and UK, while km/h is used in most other countries. One mph equals approximately 1.609 km/h.
What is a knot?
A knot is a speed of one nautical mile per hour (1.852 km/h). It is the standard speed unit in maritime navigation and aviation.
2026 international standards