About 1,000 Jupiters could fit inside the Sun by volume, with a commonly cited estimate of about 988 Jupiters.

Quick Scoop

  • The Sun is a sphere with a radius of about 696,000–700,000 km.
  • Jupiter’s radius is about 69,900–71,500 km (roughly 10 times smaller than the Sun’s).
  • For spheres, volume scales with the cube of the radius, so the Sun’s volume is roughly (RSun/RJupiter)3(R_{\text{Sun}}/R_{\text{Jupiter}})^3(RSun​/RJupiter​)3.
  • Using typical values, the radius ratio is about 10, and 103≈1,00010^3\approx 1{,}000103≈1,000, which is why the answer is close to a thousand.
  • A detailed calculation using precise radii gives a volume ratio of about 988 , so you can say “about a thousand Jupiters” and still be accurate.

Mini Story: Stacking Giant Worlds

Imagine you could shrink the Sun into a giant, transparent cosmic jar and start “pouring in” Jupiter-sized planets like marbles.
You’d keep dropping them in—hundreds and hundreds of gas giants—until you’d packed in almost a thousand before running out of room.

That picture also shows just how dominant the Sun is: even our largest planet, Jupiter, is tiny compared with the star that holds the whole solar system together.

TL;DR: By volume, you can fit about 1,000 Jupiters (≈988) inside the Sun.

Information gathered from public forums or data available on the internet and portrayed here.