Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Astronomy
Exoplanet Habitable Zone Calculator
Estimate the inner and outer boundaries of a star's habitable zone based on its luminosity, spectral type, and a planet's mass. Use it when assessing whether a known exoplanet could support liquid water on its surface.
Fill in the required fields to see your result.
Astronomy
Telescope Magnification Calculator
Compute the effective magnification of your telescope with any eyepiece and Barlow lens combination. Ideal for planning high-power planetary sessions or choosing the right Barlow multiplier.
Fill in the required fields to see your result.
Key differences
| Exoplanet Habitable Zone Calculator | Telescope Magnification Calculator | |
|---|---|---|
| Category | Astronomy | Astronomy |
| Inputs required | 3 | 2 |
| Result | Optimal Habitable Distance (AU) | Magnification (x) |
| What it does | Estimate the inner and outer boundaries of a star's habitable zone based on its luminosity, spectral type, and a planet's mass. Use it when assessing whether a known exoplanet could support liquid water on its surface. | Compute the effective magnification of your telescope with any eyepiece and Barlow lens combination. Ideal for planning high-power planetary sessions or choosing the right Barlow multiplier. |