Skip to content
SpaceWonder

    Type to search · ↑↓ to move · Enter to open

    Gravity

    Planetary Weight Calculator

    What you would weigh on the Moon, Mars, Jupiter and every other world.

    W = m · g_body

    Inputs

    kg

    Results

    Mars
    259 N · scale reads 26.41 kg
    Sun
    19,180 N · scale reads 1,956 kg
    Mercury
    259 N · scale reads 26.41 kg
    Venus
    623 N · scale reads 63.53 kg
    Earth
    686 N · scale reads 69.95 kg
    Moon
    113.4 N · scale reads 11.56 kg
    Ceres
    19.6 N · scale reads 1.999 kg
    Jupiter (1-bar level)
    1,617 N · scale reads 164.9 kg
    Saturn (1-bar level)
    630 N · scale reads 64.24 kg
    Uranus (1-bar level)
    609 N · scale reads 62.1 kg
    Neptune (1-bar level)
    770 N · scale reads 78.52 kg
    Pluto
    43.4 N · scale reads 4.426 kg
    Eris
    57.4 N · scale reads 5.853 kg
    Worked solution
    1. W = 70 kg × 3.7 m/s² = 259 N
    2. Scale reading = W / g₀ = 26.411 kg

    How it works

    Your mass is the same everywhere; your weight — the force a scale measures — changes with local gravity. A bathroom scale calibrated for Earth shows m × g_body / g₀.

    Variables

    • m — your mass (unchanged everywhere)
    • g_body — surface gravity of the body

    Assumptions and limits

    • Uses mean surface gravity from NASA fact sheets
    • Giant planets have no solid surface; values are at the 1-bar pressure level
    • Ignores rotation and altitude

    For education only. These models are simplified and are not suitable for spacecraft navigation or safety-critical engineering. See our scientific accuracy policy.