Kilometers per Hour to Meters per Second (km/h → m/s)
Formula
1 km/h = 0.2777777777777778 m/sConversion Table
| km/h | m/s |
|---|---|
| 0 | 0 |
| 1.0000 | 0.27778 |
| 2.0000 | 0.55556 |
| 3.0000 | 0.83333 |
| 4.0000 | 1.1111 |
| 5.0000 | 1.3889 |
| 6.0000 | 1.6667 |
| 7.0000 | 1.9444 |
| 8.0000 | 2.2222 |
| 9.0000 | 2.5000 |
| 10.000 | 2.7778 |
| 11.000 | 3.0556 |
| 12.000 | 3.3333 |
| 13.000 | 3.6111 |
| 14.000 | 3.8889 |
| 15.000 | 4.1667 |
| 16.000 | 4.4444 |
| 17.000 | 4.7222 |
| 18.000 | 5.0000 |
| 19.000 | 5.2778 |
| km/h | m/s |
|---|---|
| 20.000 | 5.5556 |
| 21.000 | 5.8333 |
| 22.000 | 6.1111 |
| 23.000 | 6.3889 |
| 24.000 | 6.6667 |
| 25.000 | 6.9444 |
| 26.000 | 7.2222 |
| 27.000 | 7.5000 |
| 28.000 | 7.7778 |
| 29.000 | 8.0556 |
| 30.000 | 8.3333 |
| 31.000 | 8.6111 |
| 32.000 | 8.8889 |
| 33.000 | 9.1667 |
| 34.000 | 9.4444 |
| 35.000 | 9.7222 |
| 36.000 | 10.000 |
| 37.000 | 10.278 |
| 38.000 | 10.556 |
| 39.000 | 10.833 |
| km/h | m/s |
|---|---|
| 40.000 | 11.111 |
| 41.000 | 11.389 |
| 42.000 | 11.667 |
| 43.000 | 11.944 |
| 44.000 | 12.222 |
| 45.000 | 12.500 |
| 46.000 | 12.778 |
| 47.000 | 13.056 |
| 48.000 | 13.333 |
| 49.000 | 13.611 |
| 50.000 | 13.889 |
| 51.000 | 14.167 |
| 52.000 | 14.444 |
| 53.000 | 14.722 |
| 54.000 | 15.000 |
| 55.000 | 15.278 |
| 56.000 | 15.556 |
| 57.000 | 15.833 |
| 58.000 | 16.111 |
| 59.000 | 16.389 |
| km/h | m/s |
|---|---|
| 60.000 | 16.667 |
| 61.000 | 16.944 |
| 62.000 | 17.222 |
| 63.000 | 17.500 |
| 64.000 | 17.778 |
| 65.000 | 18.056 |
| 66.000 | 18.333 |
| 67.000 | 18.611 |
| 68.000 | 18.889 |
| 69.000 | 19.167 |
| 70.000 | 19.444 |
| 71.000 | 19.722 |
| 72.000 | 20.000 |
| 73.000 | 20.278 |
| 74.000 | 20.556 |
| 75.000 | 20.833 |
| 76.000 | 21.111 |
| 77.000 | 21.389 |
| 78.000 | 21.667 |
| 79.000 | 21.944 |
Kilometers per Hour to Meters per Second Conversion
Converting Kilometers per Hour (km/h) to Meters per Second (m/s) is a common speed conversion. 1 km/h equals 0.277778 m/s. For example, 100 km/h is equal to 27.777778 m/s.
Quick Mental Math: Kilometers per Hour to Meters per Second
Divide km/h by 3.6 to get m/s, or multiply m/s by 3.6 for km/h.
Why is converting Kilometers per Hour to Meters per Second tricky?
The units don't correspond intuitively; factors are not round numbers.
Quick Reference Values
1 km/h = 0.277778 m/s. 5 km/h = 1.388889 m/s. 10 km/h = 2.777778 m/s. 25 km/h = 6.944444 m/s. 50 km/h = 13.888889 m/s. 100 km/h = 27.777778 m/s.
What is Kilometers per Hour?
Kilometers per Hour (km/h) is a unit of speed. Kilometers per hour (km/h) measures speed as the number of kilometers traveled in one hour. It converts directly to meters per second by multiplying by 1000/3600. This unit is standardized internationally for expressing road and vehicle speeds [bipm-si-brochure]. The kilometer per hour unit was adopted alongside the metric system in the 19th century, formalized by the International System of Units (SI) established by the BIPM. It became widespread for transportation speed limits due to metrication efforts in Europe and worldwide [bipm-si-brochure]. Kilometers per hour is the standard speed measurement in most countries, including all European nations, Canada, Australia, and many others. It is used extensively in road traffic regulations, automotive industries, and international transportation standards [nist-si-guide].
What is Meters per Second?
Meters per Second (m/s) is a unit of speed. Meters per second (m/s) is the SI unit of speed, defined as the number of meters traveled in one second. It is the standard measure for velocity in physics and engineering, forming the base unit for speed in the International System of Units [bipm-si-brochure]. Adopted by the CGPM in 1960, meters per second was introduced to unify measurements of speed under the SI system. The meter was originally defined in 1793, but the m/s unit formalized with advancing scientific precision [cgpm-resolutions]. Meters per second is globally used in scientific research, engineering, and transportation industries. It is the primary speed unit in meteorology, fluid dynamics, and automotive testing, standardized by ISO and NIST [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: kilometres per hour, kmph, kph, kilometer per hour, km/hr, meter per second, meters per sec, metres per second, meter/sec. All of these refer to the Kilometers per Hour to Meters per Second conversion.