Mercury size comparison: how tall is the Mercury?
Mercury: 4,879 km · 3,032 mi tall · 3.30 × 10²³ kg
Diameter 4,879 km · 57.9 million km from the Sun · gravity 3.7 m/s² (0.38 g)
Mercury is 4,879 km · 3,032 mi tall (3.30 × 10²³ kg). That is about 2,853,216× 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.
Mercury in other units
| Unit | Size |
|---|---|
| Kilometres | 4,879 km |
| Miles | 3,031.7 mi |
| Metres | 4,879,000 m |
| Feet | 16,007,218 ft |
How big is that?
Mercury measures 4,879 km across. Earth is 12,742 km wide, so Mercury is about 38.3% of the width of Earth.
What is about the same size as Mercury?
| Compared with | Size | Difference |
|---|---|---|
| Mars (Sun & planets) | 6,792 km · 4,220 mi | 1,913 km larger (39.2%) |
| Ganymede (Moons) | 5,268 km · 3,273 mi | 389 km larger (8%) |
| Callisto (Moons) | 4,821 km · 2,996 mi | 58 km smaller (1.2%) |
| Io (Moons) | 3,643 km · 2,264 mi | 1,236 km smaller (25.3%) |
| The Moon (Moons) | 3,475 km · 2,159 mi | 1,404 km smaller (28.8%) |