Velocity & Speed Converter for centimeters/minute, centimeters/second,feet/hour, feet/minute, feet/second, inches/minute, inches/second, kilometers/hour, kilometers/second, knots, Mach number (ISA/Sea level), meters/hour, meters/minute, meters/second [m/s], miles/hour, miles/minute, miles/second, nautical miles/hour, Nm/24hr (Volvo Ocean Race), speed of light, yards/hour, yards/minute, yards/second
A Velocity & Speed Converter is a tool—usually digital—that allows you to convert between different units of speed or velocity. Common units include meters per second (m/s), kilometers per hour (km/h), miles per hour (mph), feet per second (ft/s), and knots. It can also distinguish between speed (scalar) and velocity (vector with direction), though converters typically focus on the magnitude.
You might need a speed or velocity converter to:
Compare measurements from different countries or systems (e.g., metric vs. imperial).
Translate data from scientific, engineering, or aviation fields into a more familiar unit.
Work in fields like automotive, physics, meteorology, or marine navigation where different speed units are commonly used.
Ensure accuracy in technical calculations, engineering specs, or sports timing.
Using one is straightforward:
Enter the value of the speed or velocity you have (e.g., 60 mph).
Choose the current unit from the options (e.g., miles per hour).
Select the unit you want to convert to (e.g., kilometers per hour).
Click convert (or use a formula manually, such as 1 mph = 1.60934 km/h).
Most online tools calculate this instantly and support conversions between multiple units at once.
Use a speed or velocity converter when you:
Travel internationally and need to understand speed limits or transportation data.
Work in science or engineering, especially with physics calculations or technical documents.
Compare vehicle speeds, performance specs, or sporting results across different unit systems.
Need quick, accurate unit conversions in education, industry, or personal projects.