Meter per second (m/s)

Definition

The SI unit of speed, one meter travelled per second.

History

The meter per second is the coherent SI unit of speed, built directly from the base units of length and time. It is the natural choice wherever physics equations are involved.

Where it is used

Meters per second are used in science and engineering, and to report wind speed in meteorology.

Typical uses include physics, wind speed.

Conversion pages

These pages convert meter per second to or from another unit in speed.

• Meter per second to kilometer per hour

Other Speed units

• Kilometer per hour (km/h)
• Mile per hour (mph)
• Knot (kn)
• Foot per second (ft/s)

Sources

• NIST HB 44 NIST Handbook 44, Appendix C (Tables of Equivalents — international nautical mile); speeds derived from the exact mile, foot and hour · Dataset reviewed Nov 11, 2026