Convert meters per second to kilometers per hour
Instant, accurate m/s → km/h conversion with a live converter, table and formula.
1 meters per second = 3.6 kilometers per hour
1 kilometers per hour = 0.277778 meters per second
meters per second to kilometers per hour table
| meters per second (m/s) | kilometers per hour (km/h) |
|---|---|
| 0.5 | 1.8 |
| 1 | 3.6 |
| 2 | 7.2 |
| 5 | 18 |
| 10 | 36 |
| 20 | 72 |
| 50 | 180 |
| 100 | 360 |
| 500 | 1800 |
| 1000 | 3600 |
Formula
kilometers per hour = meters per second × 3.6.
Example
10 meters per second = 36 kilometers per hour.
What is a meters per second?
Meters per second (m/s) is the SI unit of speed.
What is a kilometers per hour?
Kilometers per hour (km/h) is the metric speed unit for vehicles.
Real-world reference points
Walking is ~5 km/h (3 mph); city driving ~50 km/h (31 mph); a jet cruises near 900 km/h (560 mph).
| Reference | meters per second | kilometers per hour |
|---|---|---|
| Brisk walk | 1.5 m/s | 5.4 km/h |
| Sprinting world record (avg) | 10.44 m/s | 37.58 km/h |
| City speed limit (50 km/h) | 13.89 m/s | 50 km/h |
| Highway cruising (100 km/h) | 27.78 m/s | 100 km/h |
| Commercial jet cruise | 250 m/s | 900 km/h |
Mistakes to avoid with speed conversions
- Dividing instead of multiplying by 3.6 when moving between m/s and km/h.
- Assuming knots equal mph — a knot is ~15% faster (nautical miles per hour).
- Comparing GPS speed (ground speed) with a car's speedometer, which reads slightly high by design.
Frequently asked questions
How many kilometers per hour in a meters per second?+
1 meters per second = 3.6 kilometers per hour.
How do I convert meters per second to kilometers per hour?+
Enter the value in the meters per second box above and the kilometers per hour value appears instantly. You can also type in the kilometers per hour box to convert the other way.
Is this m/s to km/h converter free?+
Yes — it is 100% free, needs no sign-up, and runs entirely in your browser.