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How Big Is a VY Canis Majoris?

A vY Canis Majoris is about 13.2 AU across. That is about 1.16 trillion (1.2 × 10¹²) times as wide as the average man is tall. One of the largest known stars.

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How big is a vY Canis Majoris compared to the average man?

A vY Canis Majoris is about 1.16 trillion (1.2 × 10¹²) times as wide as the average man is tall. A vY Canis Majoris is 1.16 trillion× the size of the average man: about 1.16 trillion (1.2 × 10¹²) average men lined up would match it. By volume, about 64.4 undecillion (6.4 × 10³⁷) average men would fit inside a vY Canis Majoris.

VY Canis Majoris size facts

VY Canis Majoris is estimated to be about 1,420 times wider than the Sun.

How does a vY Canis Majoris compare to other things?

A vY Canis Majoris next to 23 things of similar size, plus some everyday references:

Thing	Size	Compared to VY Canis Majoris
TON 618 (black hole)	1,600 AU across	121× bigger
Solar System	60.2 AU across	4.5× bigger
Betelgeuse	7.09 AU across	6.15 AU smaller
Rigel	0.735 AU across	18× smaller
Sagittarius A* (black hole)	15,800,000 miles (25,400,000 km) across	78× smaller
Sirius A	1,480,000 miles (2,380,000 km) across	832× smaller
Sun	865,000 miles (1,393,000 km) across	1,420× smaller
Proxima Centauri	134,000 miles (215,000 km) across	9,210× smaller
Jupiter	86,900 miles (139,800 km) across	14,200× smaller
Saturn	72,400 miles (116,500 km)	17,000× smaller
Uranus	31,500 miles (50,720 km) across	39,000× smaller
Neptune	30,600 miles (49,240 km) across	40,200× smaller
Earth	7,920 miles (12,740 km) across	155,000× smaller
Venus	7,520 miles (12,100 km) across	164,000× smaller
Mars	4,210 miles (6,779 km) across	292,000× smaller
Mercury	3,030 miles (4,879 km) across	406,000× smaller
Moon	2,160 miles (3,475 km) across	570,000× smaller
Pluto	1,480 miles (2,377 km) across	833,000× smaller
Mount Everest	5.5 miles (8.849 km)	224 million× smaller
Eiffel Tower	1,083 ft (330 m)	6 billion× smaller
School bus	40 ft (12.2 m) long	162 billion× smaller
Average man (world)	5 ft 7 in (171 cm)	1.16 trillion× smaller
Average woman (world)	5 ft 3 in (159 cm)	1.25 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.