Astronomy and SpacePlanets and Moons |
What are the diameters of the planets? |
| Planet | Diameter (Miles)* | Diameter (Kilometers) |
| Mercury | 3,031 | 4,878 |
| Venus | 7,520 | 12,104 |
| Earth | 7,926 | 12,756 |
| Mars | 4,221 | 6,794 |
| Jupiter | 88,846 | 142,984 |
| Saturn | 74,898 | 120,536 |
| Uranus | 31,763 | 51,118 |
| Neptune | 31,329 | 50,530 |
*All diameters are as measured at the planet’s equator.
