Case 1
- Your weight on Earth
- 70
- Which world?
- Mars
26.482
Open with these valuesWeight on Other Planets Calculator
26.482
Result: 26.482Your weight scales with the surface gravity of the world you stand on, while your mass never changes. Enter your Earth weight in any unit you like — kilograms, pounds, stone — and the answer comes back in that same unit, because the calculation is a pure ratio of two accelerations.
The numbers at a glance
Held fixed: Which world? Mars.
| Your weight on Earth | Result |
|---|---|
| 0.000 | 0.000 |
| 20.000 | 7.566 |
| 40.000 | 15.133 |
| 60.000 | 22.699 |
| 70.000Your value | 26.482 |
| 80.000 | 30.265 |
| 100.000 | 37.831 |
| 120.000 | 45.398 |
| 140.000 | 52.964 |
Worked examples
Case 2
- Your weight on Earth
- 70
- Which world?
- The Moon
11.564
Open with these valuesCase 3
- Your weight on Earth
- 70
- Which world?
- Jupiter
176.951
Open with these valuesHow it's calculated
weight there = weight on Earth × (g ÷ 9.80665)
- StepEnter your Earth weight in whatever unit you normally use.
- StepPick the planet, moon or star you want to stand on.
- ResultRead your weight there, in that same unit.
Reference table
| World | Surface gravity (m/s²) | 70 on Earth weighs |
|---|---|---|
| The Sun | 274 | 1955.82 |
| Jupiter | 24.79 | 176.95 |
| Neptune | 11.15 | 79.59 |
| Saturn | 10.44 | 74.52 |
| Earth | 9.80665 | 70.00 |
| Venus | 8.87 | 63.31 |
| Uranus | 8.87 | 63.31 |
| Mars | 3.71 | 26.48 |
| Mercury | 3.70 | 26.41 |
| The Moon | 1.62 | 11.56 |
| Pluto | 0.62 | 4.43 |
Questions
How do I calculate my weight on another planet?
Multiply your Earth weight by the body's surface gravity divided by Earth's 9.80665 m/s². Someone who weighs 70 on Earth weighs 70 × (3.71 ÷ 9.80665), about 26.48, on Mars. The answer stays in whatever unit you entered.
Does my mass change on another planet?
No. Your mass, the amount of matter you are made of, is the same everywhere. What changes is your weight, the gravitational pull on that mass, so weaker gravity means you weigh less without losing anything.
Where would I weigh the most and the least?
The Sun by far, with a surface gravity of about 274 m/s², roughly 28 times Earth's. Pluto is the lightest at about 0.62 m/s², where you would weigh a sixteenth of your Earth weight. The Moon is the famous middle case at about one sixth.
What units should I enter my weight in?
Any unit at all — kilograms, pounds, stone, even newtons. The calculation is a pure ratio of surface gravities, so the unit cancels and comes back unchanged. There is no need to convert to metric first.
How accurate are these gravity values?
They are measured figures derived from each body's mass and radius, quoted at the equator. Gas giants have no solid surface, so Jupiter, Saturn, Uranus and Neptune are quoted at the 1-bar pressure level instead. Earth is the exception: 9.80665 m/s² is a defined standard, not a measurement, and real local gravity varies by about half a percent.
Sources and last check
Information, not professional advice.