Miles per Hour to Mach Number Converter
CommonMeters per second, km/h, mph and more.
How to convert Miles per Hour to Mach Number
Multiply the miles per hour value by 0.00130332: 1 mph = 0.00130332 M. Going the other way, 1 M = 767.269 mph, so divide by 0.00130332 or use the Mach Number to Miles per Hour converter.
About these units
Miles per Hour (mph)
Miles per hour is the road-speed unit in the United States and the United Kingdom. 1 mph is exactly 1.609344 km/h, so 60 mph is about 96.6 km/h.
Mach Number (M)
Mach number is speed divided by the local speed of sound; this converter uses 343 m/s, the value in air at 20 °C. Mach 1 at sea level is therefore about 1,235 km/h.
Miles per Hour to Mach Number conversion table
| Miles per Hour (mph) | Mach Number (M) |
|---|---|
| 1 mph | 0.00130332 M |
| 2 mph | 0.00260665 M |
| 3 mph | 0.00390997 M |
| 4 mph | 0.00521329 M |
| 5 mph | 0.00651662 M |
| 10 mph | 0.0130332 M |
| 20 mph | 0.0260665 M |
| 25 mph | 0.0325831 M |
| 50 mph | 0.0651662 M |
| 100 mph | 0.130332 M |
| 500 mph | 0.651662 M |
| 1,000 mph | 1.30332 M |
More miles per hour conversions
- Miles per Hour to Meters per Second1 mph = 0.44704 m/s
- Miles per Hour to Kilometers per Hour1 mph = 1.60934 km/h
- Miles per Hour to Feet per Second1 mph = 1.46667 ft/s
- Miles per Hour to Knots1 mph = 0.868977 kn
- Miles per Hour to Speed of Light1 mph = 1.4912e-9 c
- Miles per Hour to Centimeters per Second1 mph = 44.704 cm/s
- Miles per Hour to Kilometers per Second1 mph = 0.00044704 km/s
See every unit on the Speed Converter.