km/h to knots Converter
Convert km/h to knots instantly: 1 km/h = 0.539957 knots. Free converter with the formula, a reference table and FAQs — no sign-up.
| km/h | knots |
|---|
How to convert km/h to knots
Enter your value
Type the number of km/h you want to convert into the left box. The result in knots appears instantly in the right box. You can also type into the right box to convert in the other direction.
Use the swap button
Click the ⇄ Swap button to reverse the conversion — knots to km/h. Your current value carries across so you don't have to re-enter anything.
About km/h and knots
km/h and knots are common speed measurements.
Worked examples: km/h to knots
Multiply the km/h value by 0.539957 to get knots. A few quick examples:
- 5 km/h × 0.539957 = 2.69979 knots
- 25 km/h × 0.539957 = 13.4989 knots
- 250 km/h × 0.539957 = 134.989 knots
Related conversions
1 kph = 0.540 knots. Standard cruise altitude for airliners is FL350-FL390 (35,000-39,000 feet) at Mach 0.78-0.85 = 450-490 knots = 834-907 kph. Flight distance and time shown in nautical miles is directly 'knots × hours'.
| km/h | knots |
|---|---|
| 1 | 0.54 |
| 5 | 2.7 |
| 10 | 5.4 |
| 20 | 10.8 |
| 30 | 16.2 |
| 50 | 27 |
Frequently asked questions
How do I convert km/h to knots?
To convert km/h to knots, multiply by 0.539957. Or use the calculator above for instant results.
How many knots are in 1 km/h?
1 km/h equals 0.539957 knots.
Is the km/h to knots converter free?
Yes, the km/h to knots converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.