🚀
Speed Unit Measurement Converter
Convert between all speed and velocity unit measurements — km/h, mph, m/s, knots and Mach — instantly and accurately.
1 m/s = 3.599997 km/h
Visual Scale Comparison
1 Meter/Secondm/s
1 Kilometer/Hourkm/h
A single Meter/Second is about 3.6 times larger than a Kilometer/Hour.
How it works
Formula
Multiply the value by 3.599997To convert from Meter/Second to Kilometer/Hour, use the conversion factor of 3.599997.
Common Questions About Speed Unit Measurement Converter
What is the unit of measurement for speed? +
The SI unit of measurement for speed is meters per second (m/s). In everyday use, kilometers per hour (km/h) is common in most countries while miles per hour (mph) is used in the US and UK. Navigation uses knots (nautical miles per hour).
How fast is Mach 1? +
Mach 1 is the speed of sound, which varies with temperature and altitude. At sea level at 20°C, Mach 1 equals approximately 343 m/s, 1,235 km/h, or 767 mph. At cruising altitude for aircraft (around −57°C) it drops to about 295 m/s or 1,062 km/h.
How many km/h in one knot? +
One knot equals exactly 1.852 kilometers per hour. One knot also equals approximately 1.15078 miles per hour or 0.514444 meters per second. Knots are used in maritime and aviation navigation.