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How Big Is the Solar System?

The Solar System is about 60.2 AU across. That is about 5.26 trillion (5.3 × 10¹²) times as wide as the average man is tall. The Sun and its planets, measured to Neptune's orbit.

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How big is the Solar System compared to the average man?

The Solar System is about 5.26 trillion (5.3 × 10¹²) times as wide as the average man is tall. The Solar System is 5.26 trillion× the size of the average man: about 5.26 trillion (5.3 × 10¹²) average men lined up would match it.

Solar System size facts

Measured across Neptune's orbit, the Solar System is about 60 AU (9 billion km) wide.
The orbits in the drawing are to scale; the planets would be invisible at true size.

How does the Solar System compare to other things?

The Solar System next to 23 things of similar size, plus some everyday references:

Thing	Size	Compared to Solar System
TON 618 (black hole)	1,600 AU across	26.7× bigger
VY Canis Majoris	13.2 AU across	4.5× smaller
Betelgeuse	7.09 AU across	8.5× smaller
Rigel	0.735 AU across	81.8× smaller
Sagittarius A* (black hole)	15,800,000 miles (25,400,000 km) across	354× smaller
Sirius A	1,480,000 miles (2,380,000 km) across	3,780× smaller
Sun	865,000 miles (1,393,000 km) across	6,460× smaller
Proxima Centauri	134,000 miles (215,000 km) across	41,900× smaller
Jupiter	86,900 miles (139,800 km) across	64,400× smaller
Saturn	72,400 miles (116,500 km)	77,300× smaller
Uranus	31,500 miles (50,720 km) across	177,000× smaller
Neptune	30,600 miles (49,240 km) across	183,000× smaller
Earth	7,920 miles (12,740 km) across	706,000× smaller
Venus	7,520 miles (12,100 km) across	744,000× smaller
Mars	4,210 miles (6,779 km) across	1.33 million× smaller
Mercury	3,030 miles (4,879 km) across	1.84 million× smaller
Moon	2,160 miles (3,475 km) across	2.59 million× smaller
Pluto	1,480 miles (2,377 km) across	3.79 million× smaller
Mount Everest	5.5 miles (8.849 km)	1.02 billion× smaller
Eiffel Tower	1,083 ft (330 m)	27.3 billion× smaller
School bus	40 ft (12.2 m) long	738 billion× smaller
Average man (world)	5 ft 7 in (171 cm)	5.26 trillion× smaller
Average woman (world)	5 ft 3 in (159 cm)	5.66 trillion× smaller

Where do these numbers come from?

Sizes are typical adult or reported values, rounded for readability. Read how we measure and compare sizes.