Kilometer/Hour to Knot Converter

Speed Converter

18 units available

Decimals:

From

To

0.539957

1 km/h = 0.539957 kn

Formula:

kn = km/h × 0.5399568039

With your value: 1 km/h = 0.5399568 kn

How big is that?

Everyday references on a logarithmic scale, all expressed in kilometer/hour so you can sanity-check the result.

Your value1.00 km/h

Walking pace (5.0× your value)5.04 km/h

Cycling (20× your value)19.8 km/h

Urban speed limit (50 km/h) (50× your value)50.0 km/h

Cheetah sprint (1.0e+2× your value)104 km/h

Motorway (110 km/h) (1.1e+2× your value)110 km/h

Other Kilometer/Hour to Knot conversions

2 km/h to kn 3 km/h to kn 4 km/h to kn 5 km/h to kn 6 km/h to kn 7 km/h to kn 8 km/h to kn

Kilometer/Hour to Knot Conversion Table

Kilometer/Hour (km/h)	Knot (kn)
0.5	0.269978
1	0.539957
2	1.079914
5	2.699784
10	5.399568
15	8.099352
20	10.799136
25	13.49892
50	26.99784
100	53.99568
250	134.989201
500	269.978402
1000	539.956804

Knot to Kilometer/Hour Conversion Table

Knot (kn)	Kilometer/Hour (km/h)
0.5	0.926
1	1.852
2	3.704
5	9.26
10	18.52
15	27.78
20	37.04
25	46.3
50	92.6
100	185.2
250	463
500	925.999999
1000	1,851.999998

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Kilometer/Hour (km/h)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Knot (kn)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Kilometer/Hour to Knot

To convert from Kilometer/Hour (km/h) to Knot (kn), multiply the value by 0.5399568039.

Formula: kn = km/h × 0.5399568039

Reverse: km/h = kn × 1.8519999984

Step-by-Step Example

Start with your value in Kilometer/Hour. For example: 5 km/h
Multiply by the conversion factor: 5 x 0.5399568039
The result is: 2.699784 kn

About Kilometer/Hour

Kilometers per hour is the most widely used unit of speed for vehicles in most countries.

Common uses: speed limits, vehicle speed, weather.

About Knot

The knot equals one nautical mile per hour and is used in maritime and aviation contexts.

Fun Fact: The knot gets its name from the practice of using a knotted rope to measure ship speed.

Common uses: navigation, aviation, sailing.

Frequently Asked Questions

How many Knot are in 1 Kilometer/Hour?

There are exactly 0.5399568039 Knot in 1 Kilometer/Hour. This means the conversion factor from Kilometer/Hour to Knot is 0.5399568039.

What is the formula to convert Kilometer/Hour to Knot?

The formula to convert Kilometer/Hour to Knot is: kn = km/h × 0.5399568039. For example, to convert 10 Kilometer/Hour to Knot, you would multiply 10 by 0.5399568039.

What is a Kilometer/Hour?