Formula
km/h to m/s conversion formula
Use this relationship for a direct conversion:
Worked example
2 km/h = 0.5555555556 m/s.
All listed factors are fixed by exact length and time definitions.
Speed conversion
1 kilometer per hour (km/h) equals 0.277777777778 meter per second (m/s). Enter any value below to convert from km/h to m/s.
Enter a value and choose units. Results update instantly.
1 km/h = 0.2777777778 m/s
| Unit | Value |
|---|---|
| Meter per second m/s | 0.2777777778 |
| Kilometer per hour km/h | 1 |
| Mile per hour mph | 0.6213711922 |
| Knot kn | 0.5399568035 |
| Foot per second ft/s | 0.9113444153 |
| Centimeter per second cm/s | 27.7777777778 |
| Speed of light c | 0.0000000009 |
Formula
Use this relationship for a direct conversion:
2 km/h = 0.5555555556 m/s.
All listed factors are fixed by exact length and time definitions.
Quick reference
| Kilometer per hour (km/h) | Meter per second (m/s) |
|---|---|
| 0.01 | 0.0027777778 |
| 0.1 | 0.0277777778 |
| 1 | 0.2777777778 |
| 2 | 0.5555555556 |
| 5 | 1.3888888889 |
| 10 | 2.7777777778 |
| 25 | 6.9444444444 |
| 50 | 13.8888888889 |
| 100 | 27.7777777778 |
| 1,000 | 277.7777777778 |
From unit
One kilometer traveled in one hour.
Symbol: km/h
To unit
The SI derived unit of speed.
Symbol: m/s
Keep converting
Source
Definitions are checked against BIPM SI Brochure and international unit definitions. Calculations use full internal precision before display rounding.
View the complete speed converterQuestions
Use the formula m/s = km/h x 0.277777777778. 1 kilometer per hour (km/h) equals 0.277777777778 meter per second (m/s).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.