Convert Kilometers per Hour to Meters per Second

Converting Kilometers per Hour (km/h) to Meters per Second (m/s) is a common task in speed measurements. Speed conversions connect metric road limits, aviation knots, and imperial miles per hour — common when traveling internationally or reading foreign weather reports.

Formula: Multiply the kilometers per hour value by 0.277778. In equation form: m/s = km/h × 0.277778.

One kilometers per hour equals approximately 0.277778 m/s. This means you can multiply any km/h value by 0.277778 to get the equivalent in m/s.

For instance, converting 5 km/h gives 1.38889 m/s. Try different values using the quick-value chips or type directly into the input field.

Common mistake: Knots measure nautical miles per hour, not statute miles — they are close but not identical to mph.

Bookmark this page for quick km/h to m/s conversions, or use the swap button to reverse the direction and convert m/s back to km/h.