Kilometers per hour to Knots Converter km/h → kn

1 kilometer per hour (km/h) = 0.5399568035 knots (kn). Type a value below — the conversion happens instantly, entirely on your device.

From

1 km/h = 0.5399568035 kn

Precision

1 kilometers per hour = 0.5399568 knots

1 × 0.539957 = 0.5399568

1 km/h equals 0.539957 kn, so multiplying by 0.539957 converts the value. The result describes the exact same quantity — only the measuring stick changes.

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How to convert kilometers per hour to knots

knots = kilometers per hour × 0.5399568035 — multiply the kilometer per hour value by 0.539957.

Example: 10 km/h = 5.39957 kn.

To convert the other way: kilometers per hour = knots ÷ 0.5399568035 — or use the dedicated kn to km/h converter .

Kilometers per hour to Knots conversion table

Kilometers per hour (km/h)	Knots (kn)
0.1	0.05399568
0.25	0.1349892
0.5	0.2699784
1	0.5399568
2	1.0799136
3	1.6198704
4	2.1598272
5	2.699784
6	3.2397408
7	3.7796976
8	4.3196544
9	4.8596112
10	5.399568
15	8.0993521
20	10.799136
25	13.49892
30	16.198704
40	21.598272
50	26.99784
75	40.49676
100	53.99568
250	134.9892
500	269.9784
1000	539.9568

About the units

What is a kilometer per hour?

Kilometers per hour (km/h) is the standard road-speed unit in most countries. 100 km/h equals 62.14 mph or 27.78 m/s.

What is a knot?

A knot (kn) is one nautical mile per hour, exactly 1.852 km/h. Aircraft, ships and wind speeds in meteorology are measured in knots.

Frequently asked questions

How many knots are in 1 kilometer per hour?

1 kilometer per hour (km/h) = 0.5399568035 knots (kn).

What is the formula to convert kilometers per hour to knots?

knots = kilometers per hour × 0.5399568035 — multiply the kilometer per hour value by 0.539957.

How do I convert km/h to kn without a calculator?

Multiply by 0.54 for a close estimate. Exact factor: 1 km/h = 0.5399568035 kn.

Is this km/h-to-kn converter accurate and private?

Yes. It uses the exact internationally defined conversion factors and computes results locally in your browser — your input is never sent to a server, and the page keeps working offline.