All things · Giant Planets

Saturn: how big is it?

Saturn is about 116,000 km. In everyday terms, that is ≈ 9.1 Earths.

Size

116,000 km

In metres

1.16 × 10⁸ m

Everyday comparison

≈ 9.1 Earths

Chapter

Giant Planets

Did you know?

Saturn is so light for its size that it would float in a big enough bathtub of water.

How it compares

• About 2.4× bigger than Neptune (49,200 km).
• About 1.2× smaller than Jupiter (140,000 km).

Other things of a similar size

• Mars 6,780 km
• Earth 12,700 km
• Neptune 49,200 km
• Jupiter 140,000 km
• Earth → Moon distance 384,000 km
• The Sun 1.39 million km

Sizes are rounded, typical values drawn from standard reference sources, including NIST/CODATA physical constants and NASA's planetary fact sheets. Real objects vary; see About for how sizes are chosen.