km/h to Knots Converter
Quick answer: To convert km/h to knots, multiply by 0.5399568. For example, 10 km/h is 5.399568 kn. One kilometer per hour equals 0.5399568 kn.
- Calculator
- Formula
- Examples
- Size compared
- About the units
- Where used
- Step by step
- Popular conversions
- Reading your result
- Mistakes
- FAQ
- Related tools
- Method
Use the km/h to Knots Converter
km/h to Knots formula and what each symbol means
kn = km/h × 0.5399568
| Symbol | Meaning |
|---|---|
| km/h | Kilometer per hour |
| kn | Knot |
km/h to Knots examples
1 km/h
1 km/h × 0.5399568 = 0.5399568 kn.
10 km/h
10 km/h × 0.5399568 = 5.399568 kn.
100 km/h
100 km/h × 0.5399568 = 53.99568 kn.
km/h compared with Knots
One kn is 1.852 times as large as one km/h, so your number gets smaller when you convert km/h to knots and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About km/h and knots
Kilometer per hour (km/h): Kilometres per hour, used on road signs in most countries. Knot (kn): Nautical miles per hour, exactly 1852/3600 m/s.
Where km/h to knots conversions are used
Sports results are quoted in m/s, km/h or mph. Wind and weather reports mix m/s, km/h, mph and knots.
How to calculate km/h to Knots step by step
- Enter the value in km/h (the starting unit).
- Multiply by 0.5399568, because 1 km/h = 0.5399568 kn.
- The product is the value in kn. To go back, divide by 0.5399568 or multiply by 1.852.
Popular speed conversions
How to read your km/h to Knots result
Quick estimate: multiply by about 0.54 to get knots from km/h; this is within 0.1% of the exact factor. One mile per hour is exactly 0.44704 m/s, and one knot is exactly one nautical mile per hour, or 0.514444 m/s.
| KM/H | KNOTS |
|---|---|
| 1 | 0.5399568 |
| 2 | 1.079914 |
| 5 | 2.699784 |
| 10 | 5.399568 |
| 20 | 10.79914 |
| 50 | 26.99784 |
| 100 | 53.99568 |
| 1,000 | 539.9568 |
Knots to km/h: quick table
| KNOTS | KM/H |
|---|---|
| 1 | 1.852 |
| 5 | 9.26 |
| 10 | 18.52 |
| 25 | 46.3 |
| 50 | 92.6 |
| 100 | 185.2 |
| 250 | 463 |
| 500 | 926 |
Common mistakes when calculating km/h to Knots
- Mixing up knots and mph: a knot is about 15% faster than a mile per hour.
- Dividing when you should multiply: from km/h to kn multiply by 0.5399568; from kn to km/h divide by 0.5399568.
km/h to Knots FAQ
How many kn are in 1 km/h?
1 km/h equals 0.5399568 kn.
How many km/h are in 1 kn?
1 kn equals 1.852 km/h.
Is 1 km/h = 0.5399568 kn an exact conversion?
Yes. The kilometer per hour and the knot are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 0.5399568 is just that ratio shown to 7 significant figures.
What is a kilometer per hour (km/h)?
Kilometres per hour, used on road signs in most countries.
How can I estimate km/h to knots in my head?
Quick estimate: multiply by about 0.54 to get knots from km/h; this is within 0.1% of the exact factor.
What is 12 km/h in knots?
12 km/h = 6.479482 kn (since 12 × 0.5399568).
What is 60 km/h in knots?
60 km/h = 32.39741 kn (since 60 × 0.5399568).
What is 250 km/h in knots?
250 km/h = 134.9892 kn (since 250 × 0.5399568).
How many decimals should I keep when converting km/h to kn?
Match the precision of your original measurement. For example, 5.399568 kn rounds to 5.4 kn at 3 significant figures; keep more digits only for engineering or scientific work.
More in Speed converters
- Knots to ft/s Converter
- ft/s to m/s Converter
- ft/s to Knots Converter
- Knots to m/s Converter
- ft/s to km/h Converter
- Knots to MPH Converter
See all speed converters tools · All Conversion calculators · Site map
Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors