Knot to Kilometer per Hour Converter 2025 - kn to km/h Calculator | Thiyagi

Knot to Kilometer per Hour Converter

Convert between knots (kn) and kilometers per hour (km/h) for marine navigation, aviation, weather reports, and speed measurements

Nautical speed unit
Metric speed unit
Enter a value to see the conversion result

Speed Reference

Knots ⇔ Kilometers/Hour
1 kn ⇔ 1.852 km/h
5 kn ⇔ 9.26 km/h
10 kn ⇔ 18.52 km/h
20 kn ⇔ 37.04 km/h
50 kn ⇔ 92.6 km/h
100 kn ⇔ 185.2 km/h

Navigation Applications

Marine Vessels:
• Sailing boats: 3-12 kn (5.5-22 km/h)
• Cargo ships: 12-25 kn (22-46 km/h)
• Cruise ships: 20-25 kn (37-46 km/h)
• Naval vessels: 25-35 kn (46-65 km/h)
Aviation:
• Light aircraft: 80-200 kn (148-370 km/h)
• Commercial jets: 450-550 kn (833-1,019 km/h)
• Helicopters: 100-180 kn (185-333 km/h)
• Military jets: 300-1,500+ kn
Weather & Ocean:
• Wind speeds: 0-100+ kn
• Hurricane winds: 64+ kn (119+ km/h)
• Ocean currents: 1-5 kn (1.9-9.3 km/h)
• Storm systems: 20-150+ kn

Speed Units

  • kn: Nautical miles per hour
  • km/h: Kilometers per hour
  • Conversion: 1 kn = 1.852 km/h
  • Origin: Based on Earth's circumference

Usage Tips

  • kn for marine/aviation
  • km/h for land transport
  • Weather reports use both
  • International standard

Applications

  • Marine: Ship navigation
  • Aviation: Flight planning
  • Weather: Wind reporting
  • Sports: Sailing competitions