How big is Jupiter compared to Uranus?
2.8×wider than Uranus
Jupiter is 2.8× wider than Uranus — 139,820 km across against Uranus’s 50,724 km. By volume, about 21 Uranuses would fit inside Jupiter. Jupiter has 21.9× Uranus’s mass.
▶ See Jupiter and Uranus in 3D
Side by side
Diameter
Jupiter 139,820 km · Uranus 50,724 km
Width ratio
Jupiter is 2.8× wider
Volume
21 Uranuses fit inside Jupiter
Mass
Jupiter is 21.9× Uranus
Gravity (Jupiter · Uranus)
24.8 m/s² · 8.7 m/s²
Distance from Sun
5.2 AU · 19.2 AU
Roughly 21 Uranuses would fit inside Jupiter — and Jupiter would still be the heavier by more than twentyfold.
What sets them apart
The largest planet against an ice giant. Jupiter is nearly three times Uranus’s width and around twenty-two times its mass. Beside Jupiter’s banded immensity, Uranus would be a modest, featureless blue-green marble.
Ratios are easy to nod along to and impossible to picture. In the interactive view, switch to True scale to see Jupiter and Uranus at their honest relative sizes.
Keep going
✓ Facts verified July 2026
Every figure on this page is a real, rounded value checked against primary sources. Found something out of date? See how we keep it accurate.