SizeItUp honey bear mascotSizeItUp

Jupiter

142,984 km (88,846 mi)

Equatorial diameter

The largest planet, a ball of gas with a storm bigger than Earth. Diameter: 142,984 km at the equator, about 11 Earths across.

Published

How big is that?

142,984 km is 11 times Earth and 10% of the Sun.

Jupiter is the 3rd largest of the 39 Cosmic Scale objects, and the 3rd largest of the 109 objects across all three SizeItUp games.

Size comparison

UranusSaturn (Planet only)JupiterThe SunSirius A (The Dog Star)

To scale, smallest to largest: Jupiter in orange beside the Cosmic Scale objects nearest in size, in teal.

ObjectSizevs Jupiter
UranusAn ice giant that spins on its side.51,118 km across36% of the size
Saturn (Planet only)The ringed giant. Its height here is the planet's own diameter; the rings stick out sideways.120,536 km across84% of the size
Jupiter142,984 km across–
The SunOur star. Measured across its visible surface.1,391,400 km across9.7× bigger
Sirius A (The Dog Star)The brightest star in the night sky, 8.6 light-years away.2,385,400 km across17× bigger

In other units

Metres142,984,000
Kilometres142,984
Miles88,850

How it's measured

Equatorial diameter. NASA Planetary Fact Sheet.

Planets spin, so they bulge at the equator: the equatorial diameter is a little larger than the distance from pole to pole.

Sources

Checked against the source on .

Could you have guessed it by eye?

Jupiter is one of the objects in Cosmic Scale, a daily size comparison game: you stretch a shape to the size you think is right beside one you know.