10 kn equals 0.0151178113 M. Use the converter below or explore all speed conversions.
Converting Knot to Mach is a common speed conversion. One knot (kn) equals 0.00151178113 mach (M). Knots are the standard speed unit in maritime and aviation worldwide.
This conversion is commonly needed for driving and speed limit compliance, running and fitness tracking, aviation and flight planning. Mach numbers express speed relative to the speed of sound, used in aviation and aerospace.
To put knot in perspective: a cruise ship (about 20 kn). In mach, common references include a commercial jet (about Mach 0.85).
The term 'knot' originated from counting knots on a rope trailing behind a ship over a fixed time period.
Mach numbers are named after Austrian physicist Ernst Mach. The exact speed of Mach 1 varies with temperature and altitude.
People frequently convert between knot and mach for:
| Knot (kn) | Mach (M) |
|---|---|
| 1 kn | 0.00151178113 M |
| 2 kn | 0.00302356226 M |
| 5 kn | 0.00755890564 M |
| 10 kn | 0.0151178113 M |
| 15 kn | 0.0226767169 M |
| 20 kn | 0.0302356226 M |
| 25 kn | 0.0377945282 M |
| 30 kn | 0.0453534338 M |
| 50 kn | 0.0755890564 M |
| 100 kn | 0.151178113 M |
| 200 kn | 0.302356226 M |
| 500 kn | 0.755890564 M |
| 1000 kn | 1.51178 M |