Kilometers per Hour to Knots
Convert kilometers per hour to knots for maritime speed, aviation, shipping, weather, and nautical-mile checks.
How to convert km/h to kn
To convert a value from kilometers per hour (km/h) to knots (kn), enter the number in the converter above. Use the swap control if you need the reverse direction.
x is the source value in km/h; y is the result in kn.
Popular conversions
Quick answers for common km/h to kn values are available from the related conversion pages.
Use the related tools section for fixed-value conversions and the reverse direction.
Common conversion table
Quick reference table for common km/h to kn values:
| km/h | kn |
|---|---|
| 1 | 0.539957 |
| 5 | 2.699784 |
| 10 | 5.399568 |
| 50 | 26.99784 |
| 100 | 53.99568 |
| 1,000 | 539.956803 |
About kilometers per hour
Kilometer per hour (km/h) — One kilometer per hour equals exactly 1,000 meters per 3,600 seconds, or 0.2777777778 meters per second.
Common uses: Kilometers per hour are used for road speed limits, vehicle dashboards, cycling, running, weather, transport, and travel planning in most countries.
About knots
Knot (kn) — One knot is exactly one nautical mile per hour. Since one international nautical mile is exactly 1.852 kilometers, 1 kn equals exactly 1.852 km/h.
Common uses: Knots are used for maritime speed, aviation, shipping, marine navigation, wind speed, and weather reports.
Frequently Asked Questions
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