Your Weight on Other Planets
What a bathroom scale would show on the Moon, Mars, Jupiter and beyond — NASA gravity data.
Everything is computed locally in your browser — nothing is uploaded.
How to use
- 1
Enter a weight
Any value in kg or lb — it is only used locally in your browser.
- 2
See every world
Scale readings for the Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto.
- 3
Compare with Earth
Each result also shows the ratio, e.g. the Moon reads about 16% of Earth.
How it works & limits
Mass vs weight: mass (kg) is the amount of matter and stays the same everywhere; weight is the force of gravity on that mass and changes from world to world. A scale reading is a force, so it changes with local gravity.
The ratios come from NASA’s Planetary Fact Sheet "Gravity (m/s2)" row (accessed 2026-11-11): Mercury 3.7, Venus 8.9, Earth 9.8, Moon 1.6, Mars 3.7, Jupiter 23.1, Saturn 9.0, Uranus 8.7, Neptune 11.0, Pluto 0.7. Reading = Earth weight × (planet gravity / 9.8).
Example: 70 kg on Earth → a scale on the Moon would read 70 × 1.6 / 9.8 ≈ 11 kg-equivalent (about 25 lb). Your mass is still 70 kg — only the reading changes.
Technically, gas giants have no solid surface; the Fact Sheet values refer to the 1-bar pressure level. Results are rounded to 3 significant figures.
FAQ
Would I weigh less on the Moon?
A scale would read about 16% of your Earth reading (gravity 1.6 vs 9.8 m/s²). Your mass — the amount of you — is unchanged.
Where would I weigh the most?
Of the worlds listed, Jupiter: 23.1 m/s² surface gravity, about 2.36× Earth. A 70 kg person would get a scale reading near 165 kg-equivalent.
Is my mass the same everywhere?
Yes. Mass in kilograms never changes with location; weight is the local gravitational force on that mass. See our methodology page for how we use the words.