Betelgeuse size comparison: how tall is the Betelgeuse?
Betelgeuse: 1,064,022,800 km · 661,153,116 mi tall · 3.38 × 10³¹ kg
Diameter 1,064,022,800 km · 548 light-years from the Sun · gravity 0.0032 m/s² (0.0003 g) · red supergiant; size uncertain by ~20%
Betelgeuse is 1,064,022,800 km · 661,153,116 mi tall (3.38 × 10³¹ kg). That is about 622,235,555,556× the height of an average man (171 cm). Compare it side by side with people, animals, buildings and more on the board above — drag, zoom, switch cm / ft, or export an image.
Betelgeuse in other units
| Unit | Size |
|---|---|
| Kilometres | 1,064,022,800 km |
| Miles | 661,153,115.8 mi |
| Metres | 1,064,022,800,000 m |
| Feet | 3,490,888,451,444 ft |
How big is that?
Betelgeuse measures 1,064,022,800 km across. Earth is 12,742 km wide, so Betelgeuse is about 83,505.2 times the width of Earth.
What is about the same size as Betelgeuse?
| Compared with | Size | Difference |
|---|---|---|
| Andromeda M31* (Black holes) | 826,840,000 km · 513,774,557 mi | 237,182,800 km smaller (22.3%) |
| Antares (Stars) | 947,036,000 km · 588,460,888 mi | 116,986,800 km smaller (11%) |
More in Stars
- Proxima Centauri — 214,476 km · 133,269 mi
- Alpha Centauri A — 1,699,094 km · 1,055,768 mi
- Sirius A — 2,381,517 km · 1,479,806 mi
- Vega — 3,286,772 km · 2,042,305 mi
- Polaris — 52,226,250 km · 32,451,887 mi
- Rigel — 109,884,030 km · 68,278,771 mi
- Antares — 947,036,000 km · 588,460,888 mi