A knot is 1 nautical mile per hour = 1.852 km/h.

What speed units are supported?

m/s, km/h, mph, knots, ft/s, Mach (approximate).

What is the speed of light?

The speed of light is approximately 299,792,458 m/s.

Mach 1 is the speed of sound, approximately 343 m/s (1,234 km/h) at sea level.

knots

Convert speeds between km/h, mph, m/s, knots, and more. Perfect for travel and physics.

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All speed conversions

m/sNaN

km/hNaN

mphNaN

KnotsNaN

ft/sNaN

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