Kilometers per Hour to Knots
Convert kilometers per hour to knots instantly. 1 km/h = 0.5399568035 kn. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert kilometers per hour to knots
To convert kilometers per hour to knots, divide by 1.852 (multiply by 0.5399568035). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
kn = km/h × 0.5399568035
Kilometers per Hour to Knots conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Kilometers per Hour | Knots |
|---|---|
| 1 km/h | 0.539957 kn |
| 2 km/h | 1.079914 kn |
| 3 km/h | 1.61987 kn |
| 5 km/h | 2.699784 kn |
| 10 km/h | 5.399568 kn |
| 20 km/h | 10.799136 kn |
| 25 km/h | 13.49892 kn |
| 50 km/h | 26.99784 kn |
| 100 km/h | 53.99568 kn |
| 500 km/h | 269.978402 kn |
| 1,000 km/h | 539.956803 kn |
What is a kilometers per hour?
The road-speed unit almost everywhere outside the US and UK.
What is a knot?
One nautical mile per hour, the standard at sea and in the air.
The formula
kn = km/h × 0.5399568035
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Kilometers per Hour to Knots
- Type the number of kilometers per hour you want to convert.
- Read the result in knots straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked knots to kilometers per hour page.
Kilometers per Hour to Knots — frequently asked questions
How many knots are in a kilometers per hour?
One kilometers per hour equals 0.5399568035 kn. kn = km/h × 0.5399568035
What is the formula to convert kilometers per hour to knots?
The formula is kn = km/h × 0.5399568035. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert knots back to kilometers per hour?
Divide instead of multiplying: one knot is 1.852 km/h. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this kilometers per hour to knots free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the kilometers per hour to knots.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error