---
title: "Earth vs Mars — size, weight and speed compared"
description: "Earth is 9.3× Mars on weight. Compared on 3 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/earth-vs-mars/
site: "At One Place"
---

# Earth vs Mars

**Earth vs Mars: Earth is larger on weight**

Earth is 9.3× Mars on weight.

Earth and Mars can be compared on 3 measures. The figures below are typical adult or full-size values, with the larger of the two in bold.

## Side by side

*Larger value in bold. Ranges reflect genuine variation, not uncertainty.*

|  | Earth | Mars |
| --- | --- | --- |
| Weight | 5.972 × 10^24 kg | 6.417 × 10^23 kg |
| Area | 510,100,000 km² | 144,400,000 km² |
| Volume | 1.083 × 10^21 m³ | 1.632 × 10^20 m³ |

## What the numbers say

- Earth is 9.3× Mars on weight.
- Earth is 3.5× Mars on area.
- Earth is 6.6× Mars on volume.

*Weight compared.*

- Earth: 5.972 × 10^24 kg
- Mars: 6.417 × 10^23 kg

## Earth

The third planet from the Sun and the densest in the Solar System.

## Mars

The fourth planet from the Sun, about half Earth's diameter and a tenth of its mass.

> This is a comparison of published measurements, nothing more. It describes how two things differ on measures that have been recorded; it does not predict how they would fare against each other in any situation.

## Common questions

### Which is bigger, Earth or Mars?

Earth is 9.3× Mars on weight. Both figures are typical values; the full range for each is in the table above.

### How do Earths and Marss compare on area?

Earth: 510,100,000 km². Mars: 144,400,000 km². Earth is 3.5× Mars on area.

### How do Earths and Marss compare on volume?

Earth: 1.083 × 10^21 m³. Mars: 1.632 × 10^20 m³. Earth is 6.6× Mars on volume.

## Related pages

- [Mars vs the Moon](https://atoneplace.net/vs/mars-vs-moon/)
- [Earth vs the Moon](https://atoneplace.net/vs/earth-vs-moon/)
- [Earth vs the Sun](https://atoneplace.net/vs/earth-vs-sun/)
- [Mars vs the Sun](https://atoneplace.net/vs/mars-vs-sun/)
- [Earth vs Jupiter](https://atoneplace.net/vs/earth-vs-jupiter/)
- [Jupiter vs Mars](https://atoneplace.net/vs/jupiter-vs-mars/)

## Sources

- NASA — National Aeronautics and Space Administration (https://www.nasa.gov/) [Public domain (US Government)]