Speed Converter

Convert between meters per second, kilometers per hour, miles per hour, and more

How to Use

1 Enter a speed value in any input field
2 All other units update automatically in real-time
3 Useful for physics, engineering, and everyday conversions

Conversion Formulas

m/s → km/h: km/h = m/s × 3.6

mph → km/h: km/h = mph × 1.60934

kn → km/h: km/h = kn × 1.852

ft/s → m/s: m/s = ft/s × 0.3048

Mach → m/s: m/s = Ma × 343

FAQ

What speed units are supported?

This converter supports meters per second (m/s), kilometers per hour (km/h), miles per hour (mph), knots (kn), feet per second (ft/s), and Mach.

What is Mach?

Mach is the ratio of flow speed to the speed of sound. Mach 1 equals approximately 343 m/s at sea level.

What are knots used for?

Knots are commonly used in aviation and maritime navigation. 1 knot equals 1 nautical mile per hour.