Gravitational Force Calculator
Calculate gravitational force using Newton's law: F = G × m₁ × m₂ / r². Enter two masses and distance to find the force.
Calculate Gravitational Force
Gravitational Constant
G = 6.67430 × 10⁻¹¹ N·m²/kg²
This is the universal gravitational constant used in Newton's law of universal gravitation.
Example Calculations
Earth-Moon
m₁: 5.972 × 10²⁴ kg (Earth)
m₂: 7.342 × 10²² kg (Moon)
r: 3.844 × 10⁸ m
F: ~1.98 × 10²⁰ N
Earth-Sun
m₁: 5.972 × 10²⁴ kg (Earth)
m₂: 1.989 × 10³⁰ kg (Sun)
r: 1.496 × 10¹¹ m
F: ~3.54 × 10²² N
Two 1kg Objects
m₁: 1 kg
m₂: 1 kg
r: 1 m
F: 6.674 × 10⁻¹¹ N