Black Hole Calculator
Free calculate black hole properties including schwarzschild radius, event horizon, and mass using general relativity equations.
Input Parameters
Results
Enter mass to calculate black hole properties
Black Hole Formulas
Schwarzschild Radius
rₛ = 2GM / c²
Where:
- • rₛ = Schwarzschild radius
- • G = gravitational constant
- • M = mass
- • c = speed of light
Constants
- • G = 6.674 × 10⁻¹¹ m³/(kg·s²)
- • c = 2.998 × 10⁸ m/s
- • M☉ = 1.989 × 10³⁰ kg
- • 1 M☉ ≈ 2.95 km radius