Kilometers per Hour to Knots (km/h → kn) — Free Online Converter

km/h → kn Reference Table

km/h	kn
0.001 km/h	0.0005399568035 kn
0.002 km/h	0.001079913607 kn
0.003 km/h	0.00161987041 kn
0.004 km/h	0.002159827214 kn
0.005 km/h	0.002699784017 kn
0.006 km/h	0.003239740821 kn
0.007 km/h	0.003779697624 kn
0.008 km/h	0.004319654428 kn
0.009 km/h	0.004859611231 kn
0.01 km/h	0.005399568035 kn
0.02 km/h	0.01079913607 kn
0.03 km/h	0.0161987041 kn
0.04 km/h	0.02159827214 kn
0.05 km/h	0.02699784017 kn
0.06 km/h	0.03239740821 kn
0.07 km/h	0.03779697624 kn
0.08 km/h	0.04319654428 kn
0.09 km/h	0.04859611231 kn
0.1 km/h	0.05399568035 kn
0.2 km/h	0.1079913607 kn
0.3 km/h	0.161987041 kn
0.4 km/h	0.2159827214 kn
0.5 km/h	0.2699784017 kn
0.6 km/h	0.3239740821 kn
0.7 km/h	0.3779697624 kn
0.8 km/h	0.4319654428 kn
0.9 km/h	0.4859611231 kn
1 km/h	0.5399568035 kn
1.5 km/h	0.8099352052 kn
2 km/h	1.079913607 kn
2.5 km/h	1.349892009 kn
3 km/h	1.61987041 kn
3.5 km/h	1.889848812 kn
4 km/h	2.159827214 kn
4.5 km/h	2.429805616 kn
5 km/h	2.699784017 kn
5.5 km/h	2.969762419 kn
6 km/h	3.239740821 kn
6.5 km/h	3.509719222 kn
7 km/h	3.779697624 kn
7.5 km/h	4.049676026 kn
8 km/h	4.319654428 kn
8.5 km/h	4.589632829 kn
9 km/h	4.859611231 kn
9.5 km/h	5.129589633 kn
10 km/h	5.399568035 kn
11 km/h	5.939524838 kn
12 km/h	6.479481641 kn
13 km/h	7.019438445 kn
14 km/h	7.559395248 kn
15 km/h	8.099352052 kn
16 km/h	8.639308855 kn
17 km/h	9.179265659 kn
18 km/h	9.719222462 kn
19 km/h	10.25917927 kn
20 km/h	10.79913607 kn
25 km/h	13.49892009 kn
30 km/h	16.1987041 kn
35 km/h	18.89848812 kn
40 km/h	21.59827214 kn
45 km/h	24.29805616 kn
50 km/h	26.99784017 kn
55 km/h	29.69762419 kn
60 km/h	32.39740821 kn
65 km/h	35.09719222 kn
70 km/h	37.79697624 kn
75 km/h	40.49676026 kn
80 km/h	43.19654428 kn
85 km/h	45.89632829 kn
90 km/h	48.59611231 kn
95 km/h	51.29589633 kn
100 km/h	53.99568035 kn
120 km/h	64.79481641 kn
125 km/h	67.49460043 kn
130 km/h	70.19438445 kn
140 km/h	75.59395248 kn
150 km/h	80.99352052 kn
160 km/h	86.39308855 kn
175 km/h	94.4924406 kn
180 km/h	97.19222462 kn
200 km/h	107.9913607 kn
225 km/h	121.4902808 kn
250 km/h	134.9892009 kn
275 km/h	148.488121 kn
300 km/h	161.987041 kn
350 km/h	188.9848812 kn
400 km/h	215.9827214 kn
450 km/h	242.9805616 kn
500 km/h	269.9784017 kn
600 km/h	323.9740821 kn
700 km/h	377.9697624 kn
750 km/h	404.9676026 kn
800 km/h	431.9654428 kn
900 km/h	485.9611231 kn
1000 km/h	539.9568035 kn
1200 km/h	647.9481641 kn
1250 km/h	674.9460043 kn
1500 km/h	809.9352052 kn
1750 km/h	944.924406 kn
2000 km/h	1079.913607 kn
2500 km/h	1349.892009 kn
3000 km/h	1619.87041 kn
4000 km/h	2159.827214 kn
4500 km/h	2429.805616 kn
5000 km/h	2699.784017 kn
6000 km/h	3239.740821 kn
7000 km/h	3779.697624 kn
7500 km/h	4049.676026 kn
8000 km/h	4319.654428 kn
9000 km/h	4859.611231 kn
10000 km/h	5399.568035 kn
15000 km/h	8099.352052 kn
20000 km/h	10799.13607 kn
25000 km/h	13498.92009 kn
50000 km/h	26997.84017 kn
75000 km/h	40496.76026 kn
100000 km/h	53995.68035 kn

Values based on NIST SP 811 conversion factors

Why Convert Kilometers per Hour to Knots?

Converting between kilometers per hour (km/h) and knots (kn) is one of the most common speed conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert km/h to kn saves time and prevents errors.

Speed conversions from km/h to kn are critical for navigation, aviation, and sports analytics. Pilots and sailors must constantly convert between knots, km/h, and mph to ensure safe travel and comply with international air and maritime regulations. For motorists driving across borders, understanding local speed limits in a different unit is vital to avoid fines and accidents. In sports, analyzing the performance of sprinters, cyclists, or racing cars often involves comparing speeds recorded in different measurement systems. Accurate speed conversion ensures safety, legal compliance, and fair competitive analysis.

How to Convert Kilometers per Hour to Knots

To convert kilometers per hour to knots, use the following formula:

kn = km/h × 0.5399568035

Example: 1 km/h = 0.5399568035 kn

For example, 5 km/h = 2.699784017 kn, 10 km/h = 5.399568035 kn, and 100 km/h = 53.99568035 kn. For larger values, 1000 km/h = 539.9568035 kn. Conversely, 1 kn = 1.852 km/h. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

Knots vs MPH: a Knot is faster than a Mile per Hour (1 Knot = 1.15 mph).
Mach numbers: speed of sound varies with temperature/altitude.
Pace confusion: mixing up speed (distance/time) with pace (time/distance).

Pro Tips

Highway math: 60 mph = 1 mile per minute. Easy for ETA calculation.
KPH to MPH: Multiply km/h by 0.6 to get mph (approx).
Light speed: Nothing travels faster than light (approx 300,000 km/s).

What is a Kilometer per Hour?

Kilometers per hour (km/h) is a unit of speed, expressing the number of kilometers traveled in one hour.

Km/h is the standard unit for speed limits and vehicle speedometers in most countries worldwide (except the US and UK).

What is a Knot?

A unit of speed equal to one nautical mile per hour.

Exclusively used in maritime and aviation navigation.

Frequently Asked Questions

How many knots are in 1 kilometer per hour?

1 km/h equals 0.5399568035 kn. This is an exact conversion factor defined by NIST.

How do I convert kilometers per hour to knots?

Multiply the value in km/h by the conversion factor. For example, 10 km/h = 5.399568035 kn. Use our calculator above for instant results.

Is the kilometers per hour to knots conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

Can I convert kilometers per hour to knots offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between kilometers per hour and knots?

Kilometers per Hour (km/h) and Knots (kn) are both units of speed but belong to different measurement systems. 1 km/h = 0.5399568035 kn. Use the converter above to switch between them instantly.

Kilometers per Hour → Knots