How big is Uranus compared to Venus?
Data as of July 2026
4.2×wider than Venus
Uranus is 4.2× wider than Venus: 50,724 km across against Venus’s 12,104 km. By volume, about 74 Venuses would fit inside Uranus. Uranus has 17.8× Venus’s mass.
▶ See Uranus and Venus in 3D
Side by side
Diameter
Uranus 50,724 km · Venus 12,104 km
Width ratio
Uranus is 4.2× wider
Volume
74 Venuses fit inside Uranus
Mass
Uranus is 17.8× Venus
Gravity (Uranus · Venus)
8.7 m/s² · 8.9 m/s²
Distance from Sun
19.2 AU · 0.72 AU
These two hold the planetary temperature records: Venus is the hottest at about 464 °C, and Uranus the coldest, measured as low as about −224 °C.
What sets them apart
Uranus is about four times wider than Venus and nearly 18 times its mass. Both spin the unusual way: Venus rotates backwards, very slowly, and Uranus is tipped over by 98°, so it rolls around the Sun on its side.
Ratios are easy to nod along to and impossible to picture. In the interactive view, switch to True scale to see Uranus and Venus 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 Found something out of date?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.