Table of Mach Number :
Regime Mach Speed (m/s)
Subsonic <0.8/1.0 < 270
Transonic 0.8 -1.2 270 - 410
Sonic 1.0 ------------
Supersonic 1.2 - 5.0 410 - 1710
Hypersonic 5.0 - 10.0 1710 - 3415
High-Hypersonic 10.0 - 25.0 3415 - 8465
Regime Mach Speed (m/s)
Subsonic <0.8/1.0 < 270
Transonic 0.8 -1.2 270 - 410
Sonic 1.0 ------------
Supersonic 1.2 - 5.0 410 - 1710
Hypersonic 5.0 - 10.0 1710 - 3415
High-Hypersonic 10.0 - 25.0 3415 - 8465