New in Version 3.0
Astronomy & Space Calculators
Ten practical calculators with clear formulas, examples, and smart result tools.
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Popular Astronomy & Space Calculators
Start with these useful tools or browse all 10 Astronomy & Space calculators below.
Distance Modulus
Calculate or estimate distance modulus in seconds.
Escape Velocity
Calculate or estimate escape velocity in seconds.
Exoplanet Transit Depth
Calculate or estimate exoplanet transit depth in seconds.
Light Travel Time
Calculate or estimate light travel time in seconds.
Orbital Period
Calculate or estimate orbital period in seconds.
Planet Surface Gravity
Calculate or estimate planet surface gravity in seconds.
Light Travel TimeOpen calculator →Orbital PeriodOpen calculator →Escape VelocityOpen calculator →Telescope MagnificationOpen calculator →Telescope Resolving PowerOpen calculator →Redshift VelocityOpen calculator →Distance ModulusOpen calculator →Stellar LuminosityOpen calculator →Planet Surface GravityOpen calculator →Exoplanet Transit DepthOpen calculator →