MOTION
Speed
Linear speed for travel, wind and physics.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.001 km/s1 m/s = 0.001 km/s
EVERYDAY · ENGINEERING · SCIENCE
m/s to km/s Converter
Convert metre per second (m/s) to kilometre per second (km/s). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through metre per second
Enter a metre per second value to calculate kilometre per second with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| metre per secondfrom m/s | m/s | 1 |
| centimetre per secondfrom m/s | cm/s | 100 |
| foot per secondfrom m/s | ft/s | 3.28084 |
| kilometre per hourfrom m/s | km/h | 3.6 |
| mile per hourfrom m/s | mph | 2.23694 |
| knotfrom m/s | kn | 1.94384 |
| kilometre per secondfrom m/s | km/s | 0.001 |
| speed of light in vacuumfrom m/s | c | 0.00000000333564 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
m/s to km/s Conversion Reference
Metre Per Second (m/s) and kilometre per second (km/s) are units of speed. Use this page to convert in either direction.
Conversion Examples
| Metre Per Second (m/s) | Kilometre Per Second (km/s) |
|---|---|
| 1 m/s | 0.001 km/s |
| 5 m/s | 0.005 km/s |
| 10 m/s | 0.01 km/s |
| 100 m/s | 0.1 km/s |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
km/s to m/s (kilometre per second to metre per second)