Sound Speed Calculator – Calculate Speed of Sound

Calculate the speed of sound in various media. For air, enter temperature. For other media, use bulk modulus and density.

Medium

Temperature (°C)

Choose air, water, steel, or enter custom properties.

For air: temperature. For others: bulk modulus and density.

Instantly see sound speed in m/s and km/h.

For air: v = 331.3 + 0.606 × T (°C)

For solids/liquids: v = √(K/ρ)

Where K = bulk modulus, ρ = density

Air (20°C): 343 m/s

Water (20°C): 1,482 m/s

Steel: 5,960 m/s

Aluminum: 6,320 m/s

Glass: 4,540 m/s

Diamond: 12,000 m/s

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