6.4 mph ≈ 5.5615 knot. To convert miles per hour to knots, multiply by 0.86897699: 6.4 × 0.86897699 = 5.5615.
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: 6.4 × 0.86897699 = 5.5615.
- Answer: 6.4 mph ≈ 5.5615 knot (rounded to 6 significant figures).
Miles Per Hour to Knots table
| Miles Per Hour (mph) | Knots (knot) |
|---|---|
| 5.9 mph | 5.127 knot |
| 6 mph | 5.2139 knot |
| 6.1 mph | 5.3008 knot |
| 6.2 mph | 5.3877 knot |
| 6.3 mph | 5.4746 knot |
| 6.4 mph | 5.5615 knot |
| 6.5 mph | 5.6484 knot |
| 6.6 mph | 5.7352 knot |
| 6.7 mph | 5.8221 knot |
| 6.8 mph | 5.909 knot |
| 6.9 mph | 5.9959 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 |