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Schwarzschild Radius Calculator — result sheet
Calculate the ideal event-horizon radius of a nonrotating, uncharged black hole from its mass.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: rs = 2GM/c², with mass converted from solar masses to kilograms.
The result gives the radius associated with the Schwarzschild solution and shows the linear scaling with mass.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Black-hole mass — solar masses; minimum 1.0E-6; maximum 1000000000000
Worked example
| Input | Value |
|---|---|
| Black-hole mass | 1 |
A one-solar-mass Schwarzschild radius is about 2.95 km.
Assumptions and limits
- The object is modeled as nonrotating and uncharged, and the input mass is measured in solar masses.
- The calculation uses the exact SI speed of light and standard gravitational and solar-mass constants.
- Accretion, spin, charge, environment, formation, and observational inference are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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