Mach to Knots

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Mach mach

Knots knot

1 mach = — knot

Quick reference

Mach (mach)	Knots (knot)

Formula

Knots = mach × 666.73924

Multiply the mach value by 666.7392369237468 to get knots. To reverse — divide knots by 666.7392369237468 to get mach.

About this conversion

Mach (Ma) expresses speed as a ratio to the speed of sound (~343 m/s at sea level), used in aviation and aerospace. Learn more →

A knot (kn) equals one nautical mile per hour or 1.852 km/h, used in maritime and aviation navigation. Learn more →