Density of Uranus

Uranus, the blue gas planet that rotates on its side. credit: NASA/Hubble Team

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The density of Uranus is 1.27 grams/cubic centimeter.

Need a point of comparison? Well, Uranus actually is the second least dense planet in the Solar System after Saturn. The density of Saturn is 0.687 g/cm³. Earth is the densest planet in the Solar System, measuring 5.51 g/cm³.

Want to calculate the density of Uranus all by yourself? No problem. Go grab a calculator and then divide the mass of Uranus (8.68 x 10²⁵ kg) by the volume (6.83 x 10¹³ km³. If you did the math right, you should come out with the same value for the density of Uranus: 1.27 g/cm³.

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If you’re looking for more information on the density of planets. Here’s an article about the density of Saturn, and here’s the density of Jupiter.

If you’d like more info on Uranus, check out Hubblesite’s News Releases about Uranus. And here’s a link to the NASA’s Solar System Exploration Guide to Uranus.

We have recorded an episode of Astronomy Cast just about Uranus. You can access it here: Episode 62: Uranus.

Fraser Cain

Fraser Cain is the publisher of Universe Today. He's also the co-host of Astronomy Cast with Dr. Pamela Gay. Here's a link to my Mastodon account.