Space Tools

Planet Weight Calculator - Weight on Other Planets

Calculate how your Earth weight compares on the Moon, Mars, Jupiter, and other planets.

Gravity calculator

Planet Weight Calculator

See how much the same mass would appear to weigh under different surface gravity.

Earth weight (kg)

Mercury26.5 kgVenus63.5 kgMoon11.6 kgMars26.4 kgJupiter165.2 kgSaturn64.1 kgUranus62.2 kgNeptune78.4 kg

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Enter or choose the values requested by the tool.

The result updates instantly in your browser without uploading personal data.

Review the result and adjust inputs to compare different scenarios.

Yes. The tool is free to use and does not require an account.

No. The calculation runs locally in your browser unless the tool clearly identifies an external public data source.

Use the result as a practical estimate. Real-world outcomes can vary with assumptions, source data, and individual circumstances.

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