Andromeda M31* size comparison: how tall is the Andromeda M31*?
Andromeda M31*: 826,840,000 km · 513,774,557 mi tall · 2.78 × 10³⁸ kg
Diameter 826,840,000 km · 2.5 million light-years from Earth · gravity 108,571.4 m/s² (11,079 g) · 140 million times the Sun's mass; mass uncertain
Andromeda M31* is 826,840,000 km · 513,774,557 mi tall (2.78 × 10³⁸ kg). That is about 483,532,163,743× 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.
Andromeda M31* in other units
| Unit | Size |
|---|---|
| Kilometres | 826,840,000 km |
| Miles | 513,774,556.6 mi |
| Metres | 826,840,000,000 m |
| Feet | 2,712,729,658,793 ft |
How big is that?
Andromeda M31* measures 826,840,000 km across. Earth is 12,742 km wide, so Andromeda M31* is about 64,890.9 times the width of Earth.
What is about the same size as Andromeda M31*?
| Compared with | Size | Difference |
|---|---|---|
| Betelgeuse (Stars) | 1,064,022,800 km · 661,153,116 mi | 237,182,800 km larger (28.7%) |
| Antares (Stars) | 947,036,000 km · 588,460,888 mi | 120,196,000 km larger (14.5%) |
More in Black holes
- Gaia BH1 — 56,800 m · 186,352 ft
- A0620-00 — 39,000 m · 127,953 ft
- V404 Cygni — 53,200 m · 174,541 ft
- Cygnus X-1 — 125 km · 78 mi
- Gaia BH3 — 195 km · 121 mi
- GW150914 black hole — 366 km · 228 mi
- Sagittarius A* — 25,378,082 km · 15,769,209 mi
- M87* — 38,389,000,000 km · 23,853,818,699 mi
- Holmberg 15A* — 236,240,000,000 km · 146,792,730,454 mi
- TON 618 — 240,374,200,000 km · 149,361,603,237 mi