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Speed of Sound Calculator

Calculate the speed of sound in air based on temperature

The speed of sound varies significantly with air temperature. Use this tool to find the exact speed (Mach 1) for your conditions.

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Results

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How It Works

Formula: v ≈ 331.3 + (0.606 × T), where T is temperature in °C.

Tips & Best Practices

  • At 20°C (68°F), the speed of sound is approximately 343 m/s.
  • Humidity has a minor effect compared to temperature.

Frequently Asked Questions

What is Mach 1?

Mach 1 is simply the speed of sound. Mach 2 is twice the speed of sound, and so on.