How many kilometres per hour are in a knot?

1 knot = 1.852 kilometres per hour. In the other direction, 1 kilometre per hour = 0.539956803 knots.

A knot is one nautical mile per hour — 1.852 km/h exactly. It is the standard speed unit in aviation, shipping and marine forecasting.

What is a kilometre per hour?

Kilometres per hour is the speed unit on road signs and speedometers in most of the world.

One knot is exactly 1.852 km/h.

Unit-To-Unit Speed conversion

1 knot = 1.852 kilometres per hour

A knot is exactly 1.852 km/h. Marine forecasts use knots worldwide regardless of the local road-speed unit.

Formula km/h = kn × 1.852

Knot (kn) max 24 digits

Kilometre per hour (km/h) max 24 digits

Type in either field — the other updates on every keystroke. Need other units? Open the full speed converter.

Multiply by 1.85, or double and take off 8%. 20 knots is about 37 km/h.

Sea forecasts, ships and aircraft use knots. A force 8 gale starts at 34 knots, which is 63 km/h.

Never say "knots per hour", because a knot already means one nautical mile per hour. A nautical mile is 1.852 km, not 1.609.

Sailors once timed a knotted line paying out behind the ship with a sand glass. Today a knot is exactly 1.852 km/h.

How many kilometres per hour are in a knot?: 1 knot = 1.852 kilometres per hour. In the other direction, 1 kilometre per hour = 0.539956803 knots.
What is a knot?: A knot is one nautical mile per hour — 1.852 km/h exactly. It is the standard speed unit in aviation, shipping and marine forecasting.
What is a kilometre per hour?: Kilometres per hour is the speed unit on road signs and speedometers in most of the world.
How many km/h is one knot?: One knot is exactly 1.852 km/h.