Black Hole Calculator
Schwarzschild radius, Hawking temperature, radiation power, and evaporation time.
Black Hole Properties
Schwarzschild radius2.954 km
Mass (kg)1.989e+30 kg
Mass (M☉)1 M☉
Schwarzschild radius (m)2954 m
Schwarzschild radius (km)2.954 km
Hawking temperature6.169e-8 K
Hawking radiation power9.004e-29 W
Evaporation time2.097e+37 × 10³⁰ yr
Note: Hawking radiation is theoretically predicted but not yet observed. Real astrophysical black holes have negligible radiation.
Notable black holes: