Knots to KM/H Converter
Convert knots to kilometres per hour in your browser, with a full reference table and the formula behind it. Free, instant, no sign-up.
How to convert knots to kilometres per hour
kilometres per hour = knots × 1.852
One knot is 1.852 kilometres per hour, so any conversion is a single multiplication. To go the other way, divide by 1.852 instead. The converter above is already set to knots and kilometres per hour, so you can type any value and read the answer straight away.
Knots to KM/H conversion table
Common values, worked out in advance:
| Knots (kn) | Kilometres per hour (km/h) |
|---|---|
| 10 kn | 18.52 km/h |
| 20 kn | 37.04 km/h |
| 30 kn | 55.56 km/h |
| 40 kn | 74.08 km/h |
| 50 kn | 92.6 km/h |
| 60 kn | 111.12 km/h |
| 80 kn | 148.16 km/h |
| 100 kn | 185.2 km/h |
| 120 kn | 222.24 km/h |
| 140 kn | 259.28 km/h |
The quick mental version
For a rough answer without a calculator, remember that 1 km/h is about 0.539957 kn. That is usually close enough for shopping, travel and DIY, and the converter above gives you the exact figure when it matters.
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Frequently asked questions
How many kilometres per hour are in 1 kn?
One kn is 1.852 km/h. The table above covers the values people look up most often.
What is the formula to convert knots to kilometres per hour?
kilometres per hour = knots × 1.852. One knot is 1.852 kilometres per hour, so any conversion is a single multiplication. To go the other way, divide by 1.852 instead.
Is this knots to km/h converter accurate?
Yes. It uses the exact internationally defined conversion factors and calculates in your browser, so nothing is rounded until the result is displayed.
Can I convert kilometres per hour back to knots here?
Yes. Use the swap button in the converter to reverse the direction, or pick any other pair of units from the two dropdowns.