Speed of Sound Calculator

Speed of sound in air, water, and other media — temperature-corrected.

Calculator Science & Engineering Updated Apr 19, 2026
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Enter values to see the step-by-step calculation.

Reference

Air @ 20 °C
343 m/s (Mach 1)
Temp dep (air)
v ≈ 331.3 + 0.606 · T(°C) m/s
Water
~1 480 m/s (4× air)
Steel
~5 100 m/s

About the Speed of Sound Calculator

The Speed of Sound Calculator is a free tool for science and engineering work. It runs right in your web browser, so there is nothing to download. Speed of sound in air, water, and other media — temperature-corrected.

How it works

Type your numbers into the boxes. The answer shows up right away — you do not have to press a button. If you change a number, the answer changes too. So you can try different numbers and watch what happens, or check an answer you worked out yourself. Just make sure each box has the right kind of number in it.

Want the deeper story? The Knowledge Base explains the ideas behind the tools in more detail.

Frequently Asked Questions

How do I use the Speed of Sound Calculator?

Just type your numbers. The answer shows up right away — there is no button to press. Change anything and it updates by itself.

Is it free? Does it work without internet?

Yes to both. It is free with no sign-up, and once the page has loaded it keeps working even with no internet.

Where does my data go?

Nowhere — every calculation runs on your own device. Nothing you enter is uploaded, logged, or stored.

Common Use Cases

Nothing to set up

Open the page and start. There is nothing to install, and no account to make.

Check your work

Worked it out yourself? Use the Speed of Sound Calculator to make sure your answer is right.

Learn while you do it

Seeing what you put in and what comes out helps you understand how they fit together.

Safe and private

Everything you type stays on your device. Nothing is sent to a server or saved.

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