Saturn (Planet only)
120,536 km (74,898 mi)
Equatorial diameter
The ringed giant. Its height here is the planet's own diameter; the rings stick out sideways. Diameter: 120,536 km at the equator, not counting the rings.
Published
How big is that?
120,536 km is 9.4 times Earth and 8.7% of the Sun.
Saturn is the 4th largest of the 39 Cosmic Scale objects, and the 4th largest of the 109 objects across all three SizeItUp games.
Size comparison
To scale, smallest to largest: Saturn in orange beside the Cosmic Scale objects nearest in size, in teal.
| Object | Size | vs Saturn |
|---|---|---|
| NeptuneThe farthest planet, an ice giant with supersonic winds. | 49,528 km across | 41% of the size |
| UranusAn ice giant that spins on its side. | 51,118 km across | 42% of the size |
| Saturn (Planet only) | 120,536 km across | – |
| JupiterThe largest planet, a ball of gas with a storm bigger than Earth. | 142,984 km across | 1.2× bigger |
| The SunOur star. Measured across its visible surface. | 1,391,400 km across | 12× bigger |
In other units
| Metres | 120,536,000 |
|---|---|
| Kilometres | 120,536 |
| Miles | 74,900 |
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
- nssdc.gsfc.nasa.gov: Saturn: 120,536 km.
Checked against the source on .
Could you have guessed it by eye?
Saturn 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.