Loading the chart…

How Big Is the Andromeda Galaxy?

The Andromeda Galaxy is about 152,000 light-years across. That is about 842 quintillion (8.4 × 10²⁰) times as wide as the average man is tall. The nearest large galaxy to the Milky Way.

Pinch or scroll to zoom · drag to pan · tap anything to fly to it

Chart title (for saved images)

Arrange

Order Spacing

Display

Units

Labels Background Height lines

How big is the Andromeda Galaxy compared to the average man?

The Andromeda Galaxy is about 842 quintillion (8.4 × 10²⁰) times as wide as the average man is tall. The Andromeda Galaxy is 842 quintillion× the size of the average man: about 842 quintillion (8.4 × 10²⁰) average men lined up would match it.

Andromeda Galaxy size facts

The Andromeda Galaxy is about 152,000 light-years across.
It is 2.5 million light-years away and heading toward us.

How does the Andromeda Galaxy compare to other things?

The Andromeda Galaxy next to 23 things of similar size, plus some everyday references:

Thing	Size	Compared to Andromeda Galaxy
Observable universe	93 billion light-years across	611,000× bigger
Milky Way	100,000 light-years across	52,200 light-years smaller
TON 618 (black hole)	1,600 AU across	6 million× smaller
Solar System	60.2 AU across	160 million× smaller
VY Canis Majoris	13.2 AU across	727 million× smaller
Betelgeuse	7.09 AU across	1.36 billion× smaller
Rigel	0.735 AU across	13.1 billion× smaller
Sagittarius A* (black hole)	15,800,000 miles (25,400,000 km) across	56.7 billion× smaller
Sirius A	1,480,000 miles (2,380,000 km) across	605 billion× smaller
Sun	865,000 miles (1,393,000 km) across	1.03 trillion× smaller
Proxima Centauri	134,000 miles (215,000 km) across	6.7 trillion× smaller
Jupiter	86,900 miles (139,800 km) across	10.3 trillion× smaller
Saturn	72,400 miles (116,500 km)	12.4 trillion× smaller
Uranus	31,500 miles (50,720 km) across	28.4 trillion× smaller
Neptune	30,600 miles (49,240 km) across	29.2 trillion× smaller
Earth	7,920 miles (12,740 km) across	113 trillion× smaller
Venus	7,520 miles (12,100 km) across	119 trillion× smaller
Mars	4,210 miles (6,779 km) across	212 trillion× smaller
Mount Everest	5.5 miles (8.849 km)	163 quadrillion× smaller
Eiffel Tower	1,083 ft (330 m)	4.36 quintillion× smaller
School bus	40 ft (12.2 m) long	118 quintillion× smaller
Average man (world)	5 ft 7 in (171 cm)	842 quintillion× smaller
Average woman (world)	5 ft 3 in (159 cm)	906 quintillion× smaller

Where do these numbers come from?

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