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How Big Is TON 618?

TON 618 is about 1,600 AU across. That is about 140 trillion (1.4 × 10¹⁴) times as wide as the average man is tall. One of the most massive black holes known.

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How big is TON 618 compared to the average man?

TON 618 is about 140 trillion (1.4 × 10¹⁴) times as wide as the average man is tall. TON 618 is 140 trillion× the size of the average man: about 140 trillion (1.4 × 10¹⁴) average men lined up would match it.

TON 618 (Black Hole) size facts

TON 618 has about 40 billion times the mass of the Sun.
Its event horizon is about 1,600 AU across, roughly 27 times wider than Neptune's orbit.

How does TON 618 compare to other things?

TON 618 next to 23 things of similar size, plus some everyday references:

Thing	Size	Compared to TON 618 (black hole)
Andromeda Galaxy	152,000 light-years across	6 million× bigger
Milky Way	100,000 light-years across	3.94 million× bigger
Solar System	60.2 AU across	26.7× smaller
VY Canis Majoris	13.2 AU across	121× smaller
Betelgeuse	7.09 AU across	226× smaller
Rigel	0.735 AU across	2,180× smaller
Sagittarius A* (black hole)	15,800,000 miles (25,400,000 km) across	9,450× smaller
Sirius A	1,480,000 miles (2,380,000 km) across	101,000× smaller
Sun	865,000 miles (1,393,000 km) across	172,000× smaller
Proxima Centauri	134,000 miles (215,000 km) across	1.12 million× smaller
Jupiter	86,900 miles (139,800 km) across	1.72 million× smaller
Saturn	72,400 miles (116,500 km)	2.06 million× smaller
Uranus	31,500 miles (50,720 km) across	4.73 million× smaller
Neptune	30,600 miles (49,240 km) across	4.87 million× smaller
Earth	7,920 miles (12,740 km) across	18.8 million× smaller
Venus	7,520 miles (12,100 km) across	19.8 million× smaller
Mars	4,210 miles (6,779 km) across	35.4 million× smaller
Mercury	3,030 miles (4,879 km) across	49.2 million× smaller
Mount Everest	5.5 miles (8.849 km)	27.1 billion× smaller
Eiffel Tower	1,083 ft (330 m)	727 billion× smaller
School bus	40 ft (12.2 m) long	19.7 trillion× smaller
Average man (world)	5 ft 7 in (171 cm)	140 trillion× smaller
Average woman (world)	5 ft 3 in (159 cm)	151 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.