Example: To convert 5 kilometer per second to Mach (20°C, 1 atm), multiply 5 by 2.9154518950437316 to get 14.5773 mach (atm) (1.4577e+1 mach (atm)).
| km/s | mach (atm) |
|---|---|
| 4.343 km/s | 12.6618 mach (atm) (1.2662e+1 mach (atm)) |
| 5.343 km/s | 15.5773 mach (atm) (1.5577e+1 mach (atm)) |
| 6.343 km/s | 18.4927 mach (atm) (1.8493e+1 mach (atm)) |
| 7.343 km/s | 21.4082 mach (atm) (2.1408e+1 mach (atm)) |
| 8.343 km/s | 24.3236 mach (atm) (2.4324e+1 mach (atm)) |
| 9.343 km/s | 27.2391 mach (atm) (2.7239e+1 mach (atm)) |
| 10.343 km/s | 30.1545 mach (atm) (3.0155e+1 mach (atm)) |
| 11.343 km/s | 33.07 mach (atm) (3.3070e+1 mach (atm)) |
| 12.343 km/s | 35.9854 mach (atm) (3.5985e+1 mach (atm)) |
| 13.343 km/s | 38.9009 mach (atm) (3.8901e+1 mach (atm)) |
| 14.343 km/s | 41.8163 mach (atm) (4.1816e+1 mach (atm)) |
| 15.343 km/s | 44.7318 mach (atm) (4.4732e+1 mach (atm)) |
| 16.343 km/s | 47.6472 mach (atm) (4.7647e+1 mach (atm)) |
| 17.343 km/s | 50.5627 mach (atm) (5.0563e+1 mach (atm)) |
| 18.343 km/s | 53.4781 mach (atm) (5.3478e+1 mach (atm)) |