Speed converter
Convert between knots, kilometres per hour, metres per second and miles per hour — for boat, wind and current.
Tool
Speed: Knots ↔ km/h ↔ m/s
For the logbook and the forecast. Knots is the on-water standard — m/s is what most northern-European met offices publish.
1 knot = 1 nautical mile per hour = 1.852 km/h = 0.5144 m/s.