Space · #11 biggest of 1,014
How big is Betelgeuse (star)?
1.2 billion km
Betelgeuse (star) measures 1.2 billion km. That's about 862 Suns lined up end to end.
By the numbers
- That's 1.2 billion km, or about 746 million miles.
- It's about 706 billion times taller than an average adult (1.7 m).
- Roughly 862 Suns could line up across it.
- Walking nonstop, you'd need about 9.92 million days to travel its length.
- Out of all 1,014 things in this collection, it ranks #11 by size.
Size comparison
How Betelgeuse (star) stacks up against things of a similar size. Tap any bar to explore it.
Oort Cloud
15,000,000,000,000 km
Solar System
29,000,000,000 km
UY Scuti (star)
2,400,000,000 km
VY Canis Majoris
1,400,000,000 km
Betelgeuse (star)
1,200,000,000 km
Antares (star)
1,200,000,000 km
Rigel (star)
110,000,000 km
Aldebaran (star)
61,000,000 km
Arcturus (star)
36,000,000 km
Bars use a logarithmic scale so everything fits — real differences are even more extreme!
Fun fact
Standing beside it, an average person (1.7 m tall) would reach only about less than 0.001% of its height.
More in Space
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