Apparent Magnitude of Stars Calculator

The Apparent Magnitude of Stars Calculator will calculate the:

  1. Apparent magnitude of a star when its illumination (brightness) is known

Calculation Parameters: None of the values can be zero

Apparent Magnitude of Stars Calculator
Apparent Magnitude of Stars Calculator Results (detailed calculations and formula below)
Apparent magnitude of the star (m)
m = -2.5 log b - 19
m = -2.5 × log() - 19
m = -2.5 × - 19
m =
Apparent Magnitude Of Stars Calculator Input Values
Illumination of the star (b) lux

Please note that the formula for each calculation along with detailed calculations are available below. As you enter the specific factors of each apparent magnitude of stars calculation, the Apparent Magnitude Of Stars Calculator will automatically calculate the results and update the Physics formula elements with each element of the apparent magnitude of stars calculation. You can then email or print this apparent magnitude of stars calculation as required for later use.

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Discover Physics with free Physics Revision Notes and Physics Calculator: Apparent Magnitude Of Stars. This image shows the properties and apparent magnitude of stars formula for the Apparent Magnitude Of Stars.

Related Physics Chapters with Tutorials

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Formula and Calculation

m = -2.5 log b - 19

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