Kilometer per hour to Meter per second Converter
Free Speed Converter, Convert MPH, KM/H, M/S, Knots & Mach Number Instantly
Kilometer per hour
- Symbol
- km/h
- System
- Metric/Imperial
- Dimension
- Various
Meter per second
- Symbol
- m/s
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Kilometer per hour | Meter per second | Meter per second | Kilometer per hour |
|---|---|---|---|
| 1 | 0.277778 | 1 | 3.59999712 |
| 2 | 0.555556 | 2 | 7.19999424 |
| 3 | 0.833334 | 3 | 10.79999136 |
| 5 | 1.38889 | 5 | 17.9999856 |
| 10 | 2.77778 | 10 | 35.9999712 |
| 25 | 6.94445 | 25 | 89.9999280001 |
| 50 | 13.8889 | 50 | 179.9998560001 |
| 100 | 27.7778 | 100 | 359.9997120002 |
| 500 | 138.889 | 500 | 1799.9985600012 |
| 1000 | 277.778 | 1000 | 3599.9971200023 |
Conversion Formula
Meter per second = Kilometer per hour × 0.277778
Kilometer per hour = Meter per second × 3.59999712
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 0.277778.
How to convert Kilometer per hour to Meter per second
Multiply the value in kilometer per hour by 0.277778 to get meter per second. For example, 5 Kilometer per hour = 1.38889 Meter per second. All results in the speed converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 0.27 too early — keep full precision until the final display. For speed, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Meter per second in 1 Kilometer per hour?
- 1 Kilometer per hour = 0.277778 Meter per second.
- How many Kilometer per hour in 1 Meter per second?
- 1 Meter per second = 3.59999712 Kilometer per hour.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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