Convert kilometre per hour to knot
1 kilometre per hour = 0.5399568 knots. Enter any value below for an exact conversion.
1 km/h =
0.5399568 kn
knots
Need the reverse? Convert knot to kilometre per hour →
Formula
1 kilometre per hour = 0.5399568 knots knot = kilometres per hour × 0.5399568 kilometre per hour = knots × 1.852
kilometre per hour to knot conversion table
About converting kilometres per hour to knots
Kilometres per hour to knots is handy when a weather report or vehicle speed in km/h needs to be expressed for a chart or flight plan. Divide by 1.852.
Method & sources
Conversions use exact legal definitions rather than rounded approximations: 1 inch = 2.54 cm and 1 pound = 0.45359237 kg (fixed by the 1959 international yard and pound agreement), 1 mile = 1.609344 km, and 1 US liquid gallon = 3.785411784 litres. Temperatures convert with °F = °C × 9⁄5 + 32 and K = °C + 273.15. Results are rounded only for display.
- NIST Special Publication 811 — Guide for the Use of the SI
- NIST Handbook 44, Appendix C — General Tables of Units of Measurement
Page last updated: October 1, 2026
Frequently asked questions
How many knots are in a kilometre per hour?
One kilometre per hour equals 0.5399568 knots. So 10 kilometres per hour is 5.399568 knots. Use the converter above for any value.
What is the formula to convert kilometres per hour to knots?
1 kilometre per hour = 0.5399568 knots knot = kilometres per hour × 0.5399568 kilometre per hour = knots × 1.852
Is the kilometre per hour-to-knot conversion exact?
Yes. The conversion factor between kilometres per hour and knots is defined exactly, so results are precise — only rounded for display.
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