Mach to Meter per Second Converter
Enter a value to instantly convert between speed units.
1 Mach (at sea level) = 340.29 Meter per Second
Key Formulas
Kilometer per Hour → Mile per Hour
mph = km/h × 0.621371Mile per Hour → Kilometer per Hour
km/h = mph × 1.60934Knot → Mile per Hour
mph = kn × 1.15078Mile per Hour → Knot
kn = mph × 0.868976Formula
m/s = Ma × 340.29Mach number describes aircraft speed relative to the speed of sound, which varies with temperature and altitude. At sea level (standard conditions), Mach 1 ≈ 340.29 m/s. Converting to SI units (meters per second) is essential for aeronautical engineers, pilots, and scientists studying supersonic flight and shock wave phenomena.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A subsonic commercial aircraft cruising at Mach 0.5 travels at 170.15 m/s.
0.5 Ma = 170.15 m/s
Mach 1 (speed of sound at sea level) = 340.29 m/s — the threshold for supersonic flight.
1 Ma = 340.29 m/s
Mach 2 supersonic flight = 680.58 m/s — twice the speed of sound.
2 Ma = 680.58 m/s
Hypersonic research vehicle at Mach 5 = 1701.45 m/s — re-entry conditions approach this speed.
5 Ma = 1701.45 m/s