Mach ↔ KPH

Convert between Mach number and kilometers per hour. For aviation and supersonic speeds.

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Formula: kph = Mach × 1234.8 (at sea level)
Quick Reference
From To
Mach 1 1,234.8 kph
Mach 2 2,469.6 kph
1000 kph Mach 0.81
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