Online Calculator

Sound speed calculator

Enter temperature to calculate sound speed using an ideal gas model.

Ideal gas model for dry air with γ≈1.4 and R≈287.05 J/(kg·K).

Information

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Instant result

Enter the data and press the button to do the calculation.

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Local processing

The values are processed directly in your browser.

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Free

No registration, external API or subscription required.

Frequently asked questions

What formula does it use?

a = √(γRT).

What values does it use?

γ≈1.4 and R≈287.05 J/(kg·K) for dry air.

Does humidity affect the result?

Yes, that's why the result is an estimate.

What units are you returning?

m/s, km/h, and mph.

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