Sirius A size comparison: how tall is the Sirius A?
Sirius A: 2,381,517 km · 1,479,806 mi tall · 4.10 × 10³⁰ kg
Diameter 2,381,517 km · 8.6 light-years from the Sun · gravity 213.7962 m/s² (21.82 g) · brightest star in the night sky
Sirius A is 2,381,517 km · 1,479,806 mi tall (4.10 × 10³⁰ kg). That is about 1,392,700,000× 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.
Sirius A in other units
| Unit | Size |
|---|---|
| Kilometres | 2,381,517 km |
| Miles | 1,479,806.1 mi |
| Metres | 2,381,517,000 m |
| Feet | 7,813,375,984 ft |
How big is that?
Sirius A measures 2,381,517 km across. Earth is 12,742 km wide, so Sirius A is about 186.9 times the width of Earth.
What is about the same size as Sirius A?
| Compared with | Size | Difference |
|---|---|---|
| Vega (Stars) | 3,286,772 km · 2,042,305 mi | 905,255 km larger (38%) |
| The Sun (Sun & planets) | 1,392,700 km · 865,384 mi | 988,817 km smaller (41.5%) |
| Alpha Centauri A (Stars) | 1,699,094 km · 1,055,768 mi | 682,423 km smaller (28.7%) |
More in Stars
- Proxima Centauri — 214,476 km · 133,269 mi
- Alpha Centauri A — 1,699,094 km · 1,055,768 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
- Betelgeuse — 1,064,022,800 km · 661,153,116 mi