M/s to km/h
One m/s equals 3.6 km/h. Type any number and the answer appears as you type — the maths happens in your browser.
Result
The same value in every unit
| Unit | Value |
|---|
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Common values
| m/s | km/h |
|---|---|
| 1 m/s | 3.6 km/h |
| 2 m/s | 7.2 km/h |
| 3 m/s | 10.8 km/h |
| 5 m/s | 18 km/h |
| 10 m/s | 36 km/h |
| 15 m/s | 54 km/h |
| 20 m/s | 72 km/h |
| 25 m/s | 90 km/h |
| 50 m/s | 180 km/h |
| 100 m/s | 360 km/h |
| 500 m/s | 1800 km/h |
| 1000 m/s | 3600 km/h |
How to use
- Enter the number of m/s in the field.
- The result in km/h updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: km/h = m/s × 3.6. Going back the other way, one km/h is 0.2777777778 m/s.
Metric units differ by powers of ten
Both units belong to the metric system, so the conversion is a shift of the decimal point: the factor is a power of ten and nothing is lost to rounding.
km/h = m/s × 3.6
Frequently asked questions
How many km/h are in one m/s?
One m/s is 3.6 km/h.
How do I convert m/s to km/h?
Multiply by the factor: km/h = m/s × 3.6.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert km/h back to m/s?
One km/h is 0.2777777778 m/s — or open the reverse page linked below.