Which is bigger, Jupiter or Mars?

Jupiter is 3,000× Mars on weight. Both figures are typical values; the full range for each is in the table above.

How do Jupiters and Marss compare on volume?

Jupiter: 1.431 × 10^24 m³. Mars: 1.632 × 10^20 m³. Jupiter is 8,800× Mars on volume.

Jupiter vs Mars

Jupiter is larger on weight

Jupiter is 3,000× Mars on weight.

Jupiter and Mars can be compared on 2 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.
	Jupiter	Mars
Weight	1.898 × 10^27 kg	6.417 × 10^23 kg
Volume	1.431 × 10^24 m³	1.632 × 10^20 m³

What the numbers say

Jupiter is 3,000× Mars on weight.
Jupiter is 8,800× Mars on volume.

Weight compared.

Jupiter 1.898 × 10^27 kg

Mars 6.417 × 10^23 kg

Jupiter

The largest planet in the Solar System, more than twice as massive as all the others combined.

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, Jupiter or Mars?: Jupiter is 3,000× Mars on weight. Both figures are typical values; the full range for each is in the table above.
How do Jupiters and Marss compare on volume?: Jupiter: 1.431 × 10^24 m³. Mars: 1.632 × 10^20 m³. Jupiter is 8,800× Mars on volume.

Sources

NASA — National Aeronautics and Space Administration (Public domain (US Government))

How these figures are compiled and checked