Weight on Other Planets Calculator
See how much you'd weigh on the Moon, Mars and the other planets.
Same mass, different weight
Your weight depends on the pull of gravity, which differs from world to world, so the same you would weigh far less on the Moon and rather more on Jupiter. This works out your weight on the Moon, Mars and the other planets from your weight here, turning an abstract fact about gravity into a number you can picture.
Enter your weight and see it across the solar system.
The mass-versus-weight distinction
There is a real bit of physics tucked in here worth appreciating. Your mass — how much stuff you are made of — does not change wherever you go; what changes is your weight, the force that mass feels under gravity. On the Moon, with about a sixth of Earth's gravity, you would weigh a sixth as much but be exactly as much you. It is a fun way to grasp why astronauts bound around up there, and why weight and mass, casually treated as the same thing, are genuinely different.
Frequently asked questions
Why would I weigh less on the Moon?
The Moon's gravity is about a sixth of Earth's, so the same body is pulled down with a sixth of the force — less weight, same you.
Does my mass change on another planet?
No — your mass stays the same everywhere. Only your weight, the force of gravity on that mass, changes.
Is anything uploaded?
No. The calculation happens in your browser.