18 knots to mph: 18 knots in miles per hour
18 kn is about 20.714 miles per hour (20.714 mph).
18 kn in miles per hour
20.714 mph
How it is calculated
Formula: mph = kn × 1.150779448
- 1 knot = 1.150779448 miles per hour
- 18 × 1.150779448 = 20.71403 mph
What this means
- The same speed in kilometers per hour: 33.336 km/h.
- Going the other way, 1 mile per hour is 0.868976 knots.
- Quick estimate: 18 × 1.2 ≈ 21.6 mph (exact: 20.714 mph).
Try other numbers
The full knots to mph converter, filled in with these values.
kn
18 knots in miles per hour
20.714 mph
- Kilometers per hour
- 33.336 km/h
How this was calculated
- 1 knot = 1.150779448 miles per hour
- 18 × 1.150779448 = 20.71403 mph
| kn | mph |
|---|---|
| 1 kn | 1.15078 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 15 kn | 17.2617 mph |
| 20 kn | 23.0156 mph |
| 25 kn | 28.7695 mph |
| 30 kn | 34.5234 mph |
| 35 kn | 40.2773 mph |
| 40 kn | 46.0312 mph |
| 50 kn | 57.539 mph |
| 60 kn | 69.0468 mph |
| 64 kn | 73.6499 mph |
| 100 kn | 115.078 mph |
| 150 kn | 172.617 mph |
| 250 kn | 287.695 mph |
| 500 kn | 575.39 mph |
| mph | kn |
|---|---|
| 1 mph | 0.868976 kn |
| 5 mph | 4.34488 kn |
| 10 mph | 8.68976 kn |
| 15 mph | 13.0346 kn |
| 20 mph | 17.3795 kn |
| 25 mph | 21.7244 kn |
| 30 mph | 26.0693 kn |
| 40 mph | 34.759 kn |
| 50 mph | 43.4488 kn |
| 60 mph | 52.1386 kn |
| 74 mph | 64.3042 kn |
| 100 mph | 86.8976 kn |