Why would I weigh differently on other planets?

Your weight depends on the surface gravity of the body you are standing on, which is determined by that body's mass and radius. A more massive planet pulls you toward it with greater force, making you weigh more. A smaller or less dense body exerts less gravitational pull, so you weigh less. Your mass never changes — only the gravitational force acting on you does.

Why does Jupiter have such strong gravity if I can't stand on its surface?

Jupiter's surface gravity of about 2.36 times Earth's is calculated at the top of its visible cloud layer, which is treated as a nominal surface. While you cannot physically stand on Jupiter because it is a gas giant with no solid surface, this measurement gives a meaningful comparison of the gravitational force you would experience at that altitude.

Why is the Sun's gravity so much stronger than everything else?

The Sun contains about 99.86 percent of all the mass in the solar system. Its surface gravity is roughly 27 times that of Earth, meaning a person weighing 70 kg on Earth would weigh about 1,890 kg on the Sun's surface. The Sun's gravity is what keeps every planet, moon, and asteroid in orbit.

Does this tool account for rotation or atmospheric pressure?

This calculator uses standard surface gravity ratios for each body and does not account for the minor effects of planetary rotation (centrifugal force) or atmospheric pressure. These factors have a very small effect on effective weight for most bodies — typically less than 0.5 percent — and are omitted to keep results clear and educational.

Planet Weight Converter

Name: Planet Weight Converter
Availability: InStock
Author: Nham Vu

Enter your weight, choose a reference body, and instantly see how much you would weigh on every planet, the Moon, the Sun, Pluto, Ceres, and more.

Your Weight

Weight

Reference body

Enter your weight above to see results instantly.

Results update in real time as you type.

Summary

Enter your weight, choose a reference body, and instantly see how much you would weigh on every planet, the Moon, the Sun, Pluto, Ceres, and more.

How it works

Enter your weight in the input field at the top of the page.
Select kilograms or pounds using the unit toggle button.
Optionally change the reference body from the dropdown (defaults to Earth).
View your calculated weight on each of the 12 celestial bodies in the results grid.
Read the bar chart below the grid to compare all weights visually relative to Earth.

Use cases

Students learning about gravity and the differences between planetary masses.
Astronomy enthusiasts exploring how surface gravity varies across the solar system.
Sci-fi fans calculating realistic weights for characters on other worlds.
Teachers creating interactive lessons about Newtonian gravity and planetary science.

Frequently Asked Questions

Last updated: 2026-06-11 · Reviewed by Nham Vu