Km/h to m/s
One km/h equals 0.2777777778 m/s. 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
| km/h | m/s |
|---|---|
| 1 km/h | 0.27777778 m/s |
| 2 km/h | 0.55555556 m/s |
| 3 km/h | 0.83333333 m/s |
| 5 km/h | 1.3888889 m/s |
| 10 km/h | 2.7777778 m/s |
| 15 km/h | 4.1666667 m/s |
| 20 km/h | 5.5555556 m/s |
| 25 km/h | 6.9444444 m/s |
| 50 km/h | 13.888889 m/s |
| 100 km/h | 27.777778 m/s |
| 500 km/h | 138.88889 m/s |
| 1000 km/h | 277.77778 m/s |
How to use
- Enter the number of km/h in the field.
- The result in m/s 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: m/s = km/h ÷ 3.6. Going back the other way, one m/s is 3.6 km/h.
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.
m/s = km/h ÷ 3.6
Frequently asked questions
How many m/s are in one km/h?
One km/h is 0.2777777778 m/s.
How do I convert km/h to m/s?
Multiply by the factor: m/s = km/h ÷ 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 m/s back to km/h?
One m/s is 3.6 km/h — or open the reverse page linked below.