Speed Converter
Convert between m/s, km/h, mph, knots, mach, and more speed units.
Speed Converter
Enter a value and select units to convert
1 m/s = 3.5999999971 km/h
Common Values
| Meter/second | Kilometer/hour |
|---|---|
| 0.001 m/s | 0.0036 km/h |
| 0.01 m/s | 0.036 km/h |
| 0.1 m/s | 0.36 km/h |
| 1 m/s | 3.6 km/h |
| 2 m/s | 7.19999999 km/h |
| 5 m/s | 17.99999999 km/h |
| 10 m/s | 35.99999997 km/h |
| 25 m/s | 89.99999993 km/h |
| 50 m/s | 179.99999986 km/h |
| 100 m/s | 359.99999971 km/h |
| 1000 m/s | 3,599.99999712 km/h |
Available Units
Meter/second
m/s
Kilometer/hour
km/h
Mile/hour
mph
Knot
kn
Foot/second
ft/s
Mach
Ma
Speed of Light
c
Related Converters
About Speed Conversion
The Speed Converter allows you to convert between 7 different units including Meter/second, Kilometer/hour, Mile/hour, Knot, Foot/second, and 2 more.
Simply enter a value, select the source and target units, and get instant, accurate results. This converter is part of the Common converters category on FastConvert.
Whether you're a student, professional, or just need a quick conversion, FastConvert's Speed Converter delivers precise results in real-time. All calculations run directly in your browser — no data is sent to any server.
Frequently Asked Questions
How do I convert km/h to mph?
Multiply km/h by 0.621371. Example: 100 km/h = 62.14 mph.
What is Mach 1?
Mach 1 is the speed of sound, approximately 340.29 m/s (1,225 km/h or 761 mph) at sea level and 15°C.
How fast is the speed of light?
The speed of light is 299,792,458 m/s (about 1.08 billion km/h or 670.6 million mph).
What is a knot?
A knot equals 1 nautical mile per hour (1.852 km/h or 1.151 mph). It is used in maritime and aviation navigation.
Is this speed converter free?
Yes, completely free with no signup required.