Weight on Other Planets Calculator

Multiply your mass in kilograms by the planet's surface gravity: W = m x g. Example: a 70 kg person on Mars (g = 3.71 m/s2) weighs 70 x 3.71 = 259.7 newtons. This calculator does that for all 9 bodies instantly, and also shows the Earth-equivalent kilograms.

Mass is the amount of matter in your body, measured in kilograms, and it never changes wherever you go. Weight is the force gravity pulls on that mass, measured in newtons, and it changes with local gravity. You are 70 kg on Earth, on the Moon, and on Jupiter — but your weight is 686.5 N, 113.4 N, and 1735.3 N respectively.

113.4 newtons. That feels like carrying only 11.56 kg on Earth — about one sixth of your Earth weight. This is why Apollo astronauts could hop around in bulky suits: the Moon's gravity is just 1.62 m/s2.

259.7 newtons, which feels like 26.48 kg on Earth. Mars gravity is 3.71 m/s2, about 38 percent of Earth's. A person who can barely lift their own bodyweight on Earth could jump and move far more easily on Mars.

1735.3 newtons — it would feel like weighing 176.95 kg on Earth. Jupiter's gravity is 24.79 m/s2, about 2.5 times Earth's. A human could not stand up under that load; your heart would struggle to pump blood upward.

Because weight equals mass times local gravity, and Jupiter's surface gravity (24.79 m/s2) is 2.5 times Earth's. Your mass does not change — the planet simply pulls much harder. The same logic applies in reverse on the Moon.

Yes. Both have a surface gravity of 8.87 m/s2, so a 70 kg person weighs 620.9 N on either world. It is a coincidence: Venus is small and dense, Uranus is huge but low-density, and the math lands on the same value.

About 6.05 times higher than on Earth, because jump height scales as 1/g for the same takeoff effort. A 0.5 m vertical jump on Earth becomes about 3.03 m on the Moon — with a much longer, floaty hang time. Enter your own Earth jump height in the calculator to see all 9 bodies.

No. It covers the 8 planets plus Earth's Moon — the 9 bodies people ask about most. For reference, the Sun's surface gravity is about 274 m/s2, where a 70 kg person would weigh over 19,000 N, but you cannot stand on the Sun, so it is outside this tool's scope.

Mean surface gravity in m/s2: Mercury 3.70, Venus 8.87, Earth 9.807, Moon 1.62, Mars 3.71, Jupiter 24.79, Saturn 10.44, Uranus 8.87, Neptune 11.15. Earth-equivalent kilograms divide the newton result by the standard gravity 9.80665 m/s2.

Yes. Mass is an intrinsic property measured in kilograms and does not depend on location. Scales on other planets would show different numbers only because they are calibrated for Earth's gravity — your body itself contains exactly the same amount of matter everywhere.

Strictly, kilograms measure mass, not force. But people think in kilograms, so the tool converts: kg-equivalent = your newtons divided by 9.80665. A 70 kg person on Mars gets 26.48 kg-eq, meaning 'this is how heavy a 26.48 kg mass feels on Earth'. It is a familiar-feel translation, not a mass claim.

Slightly, yes — planets bulge at the equator and spin, so gravity is a bit weaker at the equator than the poles, and local terrain matters. This tool uses each body's mean surface gravity, which is the standard value used in textbooks and by space agencies for exactly these comparisons.

The math is exact: W = m x g with published mean surface-gravity values. Two honest limits: gas giants (Jupiter, Saturn, Uranus, Neptune) have no solid surface, so their values refer to the cloud-top level where gravity is conventionally quoted; and real missions would correct for your exact latitude and altitude. For education and curiosity, the results are as accurate as the standard constants allow.