21 km/h to Knots
Convert 21 kilometers per hour (km/h) to knots (kn) with formulas, examples, and conversion tables.
km/h
kn
21 km/h = 11.3391 kn
Full precision:11.3391 kn
Step-by-Step Solution
To convert 21 kilometers per hour to knots, we divide by 1.852 because one knot equals exactly 1.852 kilometers per hour.
1 knot = 1.852 kilometers per hour
Since there are 1.852 kilometers per hour in every knot, we divide our value by this factor:
21 ÷ 1.852 = 11.3391 knots
So 21 kilometers per hour = 11.3391 knots.
Quick check: 11.3391 × 1.852 = 21 kilometers per hour
Kilometers per Hour to Knots Conversion Table
| Kilometers per Hour | Knots |
|---|---|
| 1 km/h | 0.53996 kn |
| 2 km/h | 1.0799 kn |
| 3 km/h | 1.6199 kn |
| 4 km/h | 2.1598 kn |
| 5 km/h | 2.6998 kn |
| 10 km/h | 5.3996 kn |
| 20 km/h | 10.7992 kn |
| 21 km/h | 11.3391 kn |
| 50 km/h | 26.9979 kn |
| 100 km/h | 53.9958 kn |
21 Kilometers per Hour in Other Units
| Unit | 21 km/h = |
|---|---|
| km/h to m/s | 5.8333 m/s |
| Kilometers per Hour to Centimeters per Second | 583.334 cm/s |
| km/h to mph | 13.0488 mph |
| km/h to ft/s | 19.1382 ft/s |
| Kilometers per Hour to Inches per Second | 229.659 in/s |
| km/h to Knots | 11.3391 kn |
| km/h to Mach | 0.017142 Mach |
| Kilometers per Hour to Speed of Light | 1.9458e-8 c |
| Kilometers per Hour to Kilometers per Second | 0.0058333 km/s |