What is kilometre per second?

Kilometre per second is a unit of speed equal to 1,000 metres per second. It is used in astrophysics, rocket propulsion, and the measurement of planetary and cosmic velocities.

What is knot?

A knot is a unit of speed equal to one nautical mile per hour, approximately 1.852 km/h. It is the international standard for maritime navigation, aviation, and meteorological wind speed reporting.

Worked examples

1 kilometre per second = 1,943.84449261 knot

1 knot = 0.51444444 metre per second

More Speed conversions

• Convert kilometre per second to metre per second
• Convert kilometre per second to kilometre per hour
• Convert kilometre per second to mile per hour
• Convert kilometre per second to knot
• Convert kilometre per second to foot per second
• Convert kilometre per second to metre per minute
• Convert kilometre per second to mach (approx at sea level)
• Convert kilometre per second to centimetre per second
• Convert kilometre per second to mile per minute

Assumption: Mach uses an approximate sea-level reference (about 340.29 m/s).