21 Knots to mph
Convert 21 knots (kn) to miles per hour (mph) with formulas, examples, and conversion tables.
kn
mph
21 kn = 24.1663 mph
Full precision:24.1663 mph
Step-by-Step Solution
To convert 21 knots to miles per hour, we multiply by 1.1508 because one knot equals exactly 1.1508 miles per hour.
1 knot = 1.1508 miles per hour
Since each knot contains 1.1508 miles per hour, we multiply our value by this factor:
21 × 1.1508 = 24.1663 miles per hour
So 21 knots = 24.1663 miles per hour.
Quick check: 24.1663 ÷ 1.1508 = 21 knots
Knots to Miles per Hour Conversion Table
| Knots | Miles per Hour |
|---|---|
| 1 kn | 1.1508 mph |
| 2 kn | 2.3016 mph |
| 3 kn | 3.4523 mph |
| 4 kn | 4.6031 mph |
| 5 kn | 5.7539 mph |
| 10 kn | 11.5078 mph |
| 20 kn | 23.0156 mph |
| 21 kn | 24.1663 mph |
| 50 kn | 57.5389 mph |
| 100 kn | 115.078 mph |
21 Knots in Other Units
| Unit | 21 kn = |
|---|---|
| Knots to m/s | 10.8033 m/s |
| Knots to km/h | 38.8919 km/h |
| Knots to Centimeters per Second | 1080.33 cm/s |
| Knots to mph | 24.1663 mph |
| Knots to Feet per Second | 35.444 ft/s |
| Knots to Inches per Second | 425.328 in/s |
| Knots to Mach | 0.031747 Mach |
| Knots to Speed of Light | 3.6036e-8 c |
| Knots to Kilometers per Second | 0.010803 km/s |