How much would you weigh on other planets?
- Enter your weight as measured on Earth, in kilograms, pounds or stone.
- See what the scales would show on every planet in the solar system. Tick the box to add the Moon, Pluto, the large moons of Jupiter and Saturn, Ceres, and even the Sun.
- Share your results card, for example to compare with friends or use in a science lesson.
Mass versus weight
Your mass, the amount of matter in you, is the same everywhere in the universe. Your weight is the force of gravity pulling on that mass, and it depends on where you are. Bathroom scales actually measure that force and convert it to kilograms or pounds assuming Earth's gravity, so on Mars, where surface gravity is 3.71 m/s² compared with Earth's 9.81, they would show only about 38% of your Earth reading. On the Moon you would weigh about a sixth as much and could jump six times higher.
The figures use each body's surface gravity at the equator, from NASA fact sheets. Jupiter, Saturn, Uranus and Neptune have no solid surface, so their values are for the top of the clouds, where the pressure equals Earth's atmosphere at sea level. Gravity depends on a planet's mass and radius: Saturn is 95 times as massive as Earth but so large and low in density that its cloud-top gravity is only slightly higher than ours. Calculated in your browser.
How much would I weigh on the Moon?
About 16.5% of your Earth weight, roughly one sixth. 60 kg on Earth reads as about 9.9 kg on the Moon.
On which planet would I weigh the most?
Jupiter: about 2.5 times your Earth weight at the cloud tops.
Does my mass change on another planet?
No. Only your weight, the pull of gravity, changes.