meter per second (m/s)
SI derived unit of speed.
The meter per second (m/s) is the SI derived unit of speed and velocity. It is defined by the distance in meters divided by the time in seconds.
Convert Speed
Here you can convert units like kilometer per second, meter per second, kilometer per hour, mile per second, etc. within the speed category.
Only numbers are allowed. Use the selected decimal separator.
Only numbers are allowed. Use the selected decimal separator.
All units in this category
Edit any value and every other unit updates instantly.
| Unit | Value | Actions |
|---|---|---|
|
kilometer per second
km/s
|
||
| Unit | Value | Actions |
|---|---|---|
|
mile per second
mi/s
|
||
|
foot per second
ft/s
|
| Unit | Value | Actions |
|---|---|---|
|
nautical mile per hour
nmi/h
|
Quick conversion quiz
Score:
0
157 kilometer per second equals 5.65e+5 kilometer per hour.
10.2 kilometer per hour equals 2.83 meter per second.
24 kilometer per hour equals 14.9 mile per hour.
Definitions
kilometer per hour (km/h)
Standard unit for speed limits worldwide.
The kilometer per hour (km/h) is a unit of speed, expressing the number of kilometers travelled in one hour. It is the most common unit for speed limits on road signs worldwide.
mile per hour (mph)
Standard speed unit in US/UK.
The mile per hour (mph) is a unit of speed expressing the number of statute miles covered in one hour. It is the standard unit for speed limits in the United States and the United Kingdom.
knot (kn)
One nautical mile per hour. Used in aviation/marine.
The knot (kn) is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h. It is used in meteorology, and in maritime and air navigation.
Frequently asked questions
How do I convert km/h to mph?
Multiply km/h by 0.621371. Example: 100 km/h ≈ 62.1 mph.
How do I convert mph to km/h?
Multiply mph by 1.609344. Example: 60 mph ≈ 96.6 km/h.
How do I convert m/s to km/h?
Multiply by 3.6. Example: 10 m/s = 36 km/h.
How do I convert km/h to m/s?
Divide by 3.6. Example: 72 km/h = 20 m/s.
What is a knot and how fast is it?
A knot is one nautical mile per hour. 1 knot equals 1.852 km/h.
Why does my quick mental math conversion not match exactly?
Rules of thumb like “divide by 1.6” are approximations. For precise results, use the exact conversion factor in the converter.
How do I use the speed converter on konvertera.nu?
Enter your speed, choose the current unit (like km/h), select the target unit (like mph), and the converter shows the result.