Mach to Knots
1 Mach = 666.7392369 Knots
666.7392369
About these units
Mach
Mach expresses speed as a multiple of the speed of sound (about 343 m/s at sea level). Mach 1 is the sound barrier; supersonic flight exceeds it.
Knots
The knot equals one nautical mile per hour, about 1.852 km/h, and is used in maritime and aviation navigation worldwide.
Conversion formula
To convert Mach to Knot, multiply the value by 666.7392369.
Quick reference
| Mach | Knots |
|---|---|
| 1 | 666.7392369 |
| 2 | 1,333.478474 |
| 5 | 3,333.696185 |
| 10 | 6,667.392369 |
| 100 | 66,673.92369 |
Frequently asked questions
- How many Knots are in one Mach?
- 1 Mach = 666.7392369 Knots.
- How many Mach are in one Knot?
- 1 Knot = 0.001499836735 (1.499836735 × 10⁻³) Mach.