Speed Master
Convert between km/h, mph, knots, cosmic velocities and light speed.
SPEED MASTER Universal Converter
Light speed • Cosmic velocities • Mach • Knots • Imperial/Metric • Sound in water/sea
⚡ CONVERSION RESULT ⚡
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🌍 Based on SI standard (m/s base) • Cosmic velocities: 7.9 km/s (first), 11.2 km/s (second), 16.7 km/s (third) • Speed of light in vacuum: 299,792,458 m/s
🧪 Sound speed: 1480 m/s (pure water), 1520 m/s (seawater), Mach (standard) = 343 m/s • Earth orbital speed: 29.78 km/s
🧪 Sound speed: 1480 m/s (pure water), 1520 m/s (seawater), Mach (standard) = 343 m/s • Earth orbital speed: 29.78 km/s