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Density, mass and volume calculator
Enter any two of density, mass and volume and get the third, with a check for whether it floats.
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- Works on any device
About Density, mass and volume calculator
Density is mass divided by volume (rho = m / V). Enter any two of the three values and the tool solves for the missing one, then compares the result with water at about 1 g/cm3 to say whether the object floats. Handy for materials, cooking, aquariums and homework.
How to use Density, mass and volume calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
How do I know if something will float?
Compare its density with the liquid. If the object is less dense than water, about 1 g/cm3 or 1000 kg/m3, it floats. If it is denser, it sinks.
Is Density, mass and volume calculator free?
Yes. Density, mass and volume calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.