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Calculators » Conversion » Speed » Km per second and Speed of sound in air at sea level

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert speed in different units of measurement, viz., from km per second to speed of sound in air at sea level and vice-versa.

Android: Use this speed converter offline with our all-in-one calculator app.

1 s = 0.34029 km/s

1 km/s = 2.93867 s

- Km per minute & Speed of sound in air at sea level
- Miles per hour & Speed of sound in air at sea level
- Km per second & Speed of light in vacuum
- Km per second & Knot (nautical miles/h)

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