---
title: "Mars vs the Moon — size, weight and speed compared"
description: "Mars is 8.7× the Moon on weight. Compared on 3 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/mars-vs-moon/
site: "At One Place"
---

# Mars vs The Moon

**Mars vs the Moon: Mars is larger on weight**

Mars is 8.7× the Moon on weight.

Mars and the Moon 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.*

|  | Mars | The Moon |
| --- | --- | --- |
| Weight | 6.417 × 10^23 kg | 7.342 × 10^22 kg |
| Area | 144,400,000 km² | 37,930,000 km² |
| Volume | 1.632 × 10^20 m³ | 2.196 × 10^19 m³ |

## What the numbers say

- Mars is 8.7× the Moon on weight.
- Mars is 3.8× the Moon on area.
- Mars is 7.4× the Moon on volume.

*Weight compared.*

- Mars: 6.417 × 10^23 kg
- The Moon: 7.342 × 10^22 kg

## Mars

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

## The Moon

Earth's only natural satellite, about a quarter of Earth's diameter and the fifth-largest moon in the Solar System.

> 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, Mars or the Moon?

Mars is 8.7× the Moon on weight. Both figures are typical values; the full range for each is in the table above.

### How do Marss and the Moons compare on area?

Mars: 144,400,000 km². The Moon: 37,930,000 km². Mars is 3.8× the Moon on area.

### How do Marss and the Moons compare on volume?

Mars: 1.632 × 10^20 m³. The Moon: 2.196 × 10^19 m³. Mars is 7.4× the Moon on volume.

## Related pages

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