Convert knots to Mach
1 kn = 0.00151178 M. Change the amount below, or read the formula and the reference table further down.
1 knot equals
Mach
1 kn = 0.00151178 M
The formula
Knots and Mach both measure speed from the same zero, so a single multiplier does the job.
M = kn × 0.0015117824
Going the other way? Convert Mach to knots.
Knots to Mach table
Common values, rounded for reading.
| Knots (kn) | Mach (M) |
|---|---|
| 1 | 0.001512 |
| 2 | 0.003024 |
| 3 | 0.004535 |
| 4 | 0.006047 |
| 5 | 0.007559 |
| 6 | 0.009071 |
| 7 | 0.010582 |
| 8 | 0.012094 |
| 9 | 0.013606 |
| 10 | 0.015118 |
| 15 | 0.022677 |
| 20 | 0.030236 |
| 25 | 0.037795 |
| 30 | 0.045353 |
| 40 | 0.060471 |
| 50 | 0.075589 |
| 75 | 0.113384 |
| 100 | 0.151178 |
| 250 | 0.377946 |
| 500 | 0.755891 |
| 1,000 | 1.5118 |
Questions people ask
- How many Mach are in a knot?
- One knot equals 0.0015117824 Mach.
- How do I convert knots to Mach by hand?
- Multiply the number of knots by 0.0015117824. For a rough check, 0.002 is close enough for most everyday use.
- What is 1 knot in Mach?
- 1 knot is 0.00151178 Mach.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.