Universal gravitation, orbital mechanics, escape velocity, and gravitational field calculators.
Most used tools
Calculate gravitational force using F = Gm₁m₂/r².
Calculate g = GM/r² field strength.
Find your weight on Mars, Jupiter, Moon, etc.
Calculate escape velocity using v = √(2GM/r).
Calculate surface g = GM/R² for any body.
Calculate black hole event horizon radius.
15 tools available
Calculate gravitational force using F = Gm₁m₂/r².
Calculate g = GM/r² field strength.
Find your weight on Mars, Jupiter, Moon, etc.
Calculate escape velocity using v = √(2GM/r).
Calculate orbital velocity using v = √(GM/r).
Calculate orbital period using T = 2π√(r³/GM).
Calculate GPE using PE = -GMm/r.
Apply T²/a³ = constant using Kepler's third law.
Find satellite altitude from orbital period.
Calculate surface g = GM/R² for any body.
Calculate tidal forces between celestial bodies.
Find Lagrange points L1-L5 positions.
Calculate gravitational time dilation effects.
Calculate black hole event horizon radius.
Find center of mass for two objects.
Our gravity calculators provide accurate, instant results for physics calculations. Whether you need to compute forces, velocities, energies, or other physical quantities, these tools have you covered.
