20.8 mph ≈ 18.0747 knot. To convert miles per hour to knots, multiply by 0.86897699: 20.8 × 0.86897699 = 18.0747.
How to convert miles per hour to knots
knot = mph × 0.86897699
- 1 mph = 0.86897699 knot (and 1 knot = 1.1507785 mph).
- Multiply the amount by the factor: 20.8 × 0.86897699 = 18.0747.
- Answer: 20.8 mph ≈ 18.0747 knot (rounded to 6 significant figures).
Miles Per Hour to Knots table
| Miles Per Hour (mph) | Knots (knot) |
|---|---|
| 20.3 mph | 17.6402 knot |
| 20.4 mph | 17.7271 knot |
| 20.5 mph | 17.814 knot |
| 20.6 mph | 17.9009 knot |
| 20.7 mph | 17.9878 knot |
| 20.8 mph | 18.0747 knot |
| 20.9 mph | 18.1616 knot |
| 21 mph | 18.2485 knot |
| 21.1 mph | 18.3354 knot |
| 21.2 mph | 18.4223 knot |
| 21.3 mph | 18.5092 knot |
| mph | knot |
|---|---|
| 1 mph | 0.868977 knot |
| 5 mph | 4.3449 knot |
| 10 mph | 8.6898 knot |
| 50 mph | 43.4488 knot |
| 100 mph | 86.8977 knot |
| 1,000 mph | 868.977 knot |