Knots to Mach
Convert knots (kn) to Mach (Mach). Type in either box; the other updates as you go.
How to convert knots to Mach
To convert knots to Mach, multiply the number of knots by 0.001511782434.
Example
Convert 5 knots to Mach:
Knot to Mach conversion chart
| Knots (kn) | Mach (Mach) |
|---|---|
| 1 kn | 0.001511782 Mach |
| 2 kn | 0.003023565 Mach |
| 3 kn | 0.004535347 Mach |
| 4 kn | 0.00604713 Mach |
| 5 kn | 0.007558912 Mach |
| 6 kn | 0.009070695 Mach |
| 7 kn | 0.01058248 Mach |
| 8 kn | 0.01209426 Mach |
| 9 kn | 0.01360604 Mach |
| 10 kn | 0.01511782 Mach |
| 12 kn | 0.01814139 Mach |
| 15 kn | 0.02267674 Mach |
| 20 kn | 0.03023565 Mach |
| 25 kn | 0.03779456 Mach |
| 30 kn | 0.04535347 Mach |
| 40 kn | 0.0604713 Mach |
| 50 kn | 0.07558912 Mach |
| 60 kn | 0.09070695 Mach |
| 70 kn | 0.1058248 Mach |
| 75 kn | 0.1133837 Mach |
| 80 kn | 0.1209426 Mach |
| 90 kn | 0.1360604 Mach |
| 100 kn | 0.1511782 Mach |
| 150 kn | 0.2267674 Mach |
| 200 kn | 0.3023565 Mach |
| 250 kn | 0.3779456 Mach |
| 500 kn | 0.7558912 Mach |
| 1,000 kn | 1.511782 Mach |
Going the other way? See the Mach to knots chart.
About the units
Knot (kn)
A knot is one nautical mile per hour, about 1.852 km/h. Ships, aircraft and wind forecasts for sailors use knots.
Mach (Mach)
Mach 1 is the speed of sound. This converter uses 340.29 m/s, the speed of sound in air at sea level and 15 °C; the real value falls with altitude.
Frequently asked questions
How many Mach are in a knot?
There are 0.001511782434 Mach in a knot.
How many knots are in a Mach?
There are 661.4708423 knots in a Mach.
How do you convert knots to Mach?
To convert knots to Mach, multiply the number of knots by 0.001511782434.
What is 5 knots in Mach?
5 knots equals 0.00755891 Mach.
Convert between miles per hour, kilometers per hour, meters per second and knots. Open the speed converter to see a value in every unit at once.