Nov 27, 2025 · Mars is a small planet, larger than only Mercury and slightly more than half the size of Earth. Its equatorial radius measures 3,396 kilometers (2,110 miles), with a mean polar radius of …

Nov 24, 2025 · With a radius of 2,106 miles (3,390 kilometers), Mars is about half the size of Earth. If Earth were the size of a nickel, Mars would be about as big as a raspberry.

Mars is approximately half the diameter of Earth or twice that of the Moon, with a surface area only slightly less than the total area of Earth's dry land. [2]

Diameter: 6794 km (about half the diameter of Earth) Surface area: 145 million sq km (about the same as Earth’s land area) Gravity: 3.711 m/s 2 (about one third of Earth’s gravity) Density: 3.93 g/cm 3 …

5 days ago · Mars has a diameter (distance from the center) of almost 6.791 kilometers, and it is roughly 50% of the Earth’s size. Mars is more likely to be struck by asteroid belt debris and short-period...

Mar 27, 2025 · Mars has a diameter of 6,779 kilometers (4,212 miles), making it the second-smallest planet in the solar system after Mercury. The planet’s composition includes a dense core of iron, …

Aug 2, 2012 · Mars is about half (53 percent) the size of Earth, but because Mars is a desert planet, it has the same amount of dry land as Earth.

Mars Size In terms of equatorial radius, the size of Mars is 3,396.2 km, or nearly half the Earth. The polar radius is 3,376.2 km. The total surface area is 144,798,500 km2.

Dec 18, 2024 · Mars is approximately half the size of Earth, with a diameter of 6,779 km (4,212 mi) compared to Earth’s 12,742 km (7,918 mi). Its surface area is about 28% that of Earth. However, …

Mars is not the largest planet in our solar system, but it's not the smallest either. Mars has a radius of 3,389.5 kilometers, or 2,106 miles. To give you a better idea, that's about half the size of Earth! If …