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Astronomy Calculators

Browse our collection of astronomy calculators and tools.

108 calculators

A

→Age Of The Universe Estimator Calculator→Angular Diameter Distance Calculator→Angular Size Of A Galaxy Calculator→Asteroid Distance From Earth Calculator→Astronomical Units To Kilometers Converter→Autoguiding Rms Error Calculator

B

→Barlow Lens Magnification Calculator→Best Magnification For Conditions Calculator→Binary Star Orbital Period Calculator→Black Hole Mass From Radius Calculator→Black Hole Schwarzschild Radius Calculator

C

→Camera Pixel Scale Calculator→Cepheid Distance Calculator→Collimation Error Tolerance Calculator→Comet Magnitude Calculator→Comet Perihelion Calculator→Cosmic Lookback Time Calculator→Cosmic Microwave Background Temperature Calculator→Critical Density Of The Universe Calculator

D

→Dark Matter Density Estimator Calculator→Deep Sky Object Exposure Calculator→Dew Point Risk For Optics Calculator→Distance Modulus Calculator→Dobsonian Push To Calculator

E

→Earth Axial Tilt Effect Calculator→Earth Circumference Calculator→Earth Rotation Speed Calculator By Latitude→Ecef To Geodetic Coordinate Converter Calculator→Equinox And Solstice Date Calculator→Event Horizon Size Calculator→Exposure For Deep Sky Objects Calculator→Exposure For The Moon Calculator→Eyepiece Magnification Calculator

F

→Focal Length For Planetary Imaging Calculator→Full Moon Date Calculator→Full Moon Date Calculator By Year

G

→Galaxy Distance From Redshift Calculator→Geostationary Orbit Altitude Calculator→Gravity Assist Speed Gain Calculator

H

→Hertzsprung Russell Diagram Position Estimator Calculator→Hohmann Transfer Orbit Calculator→Hubble Law Recession Speed Calculator→Hubbles Law Calculator

I

→Image Scale Calculator

J

→Jupiter Moon Position Calculator

K

→Keplers Third Law Calculator

L

→Light Pollution Bortle Scale Estimator Calculator→Light Travel Time Calculator→Light Travel Time To Stars Calculator→Luminosity Distance Calculator→Lunar Eclipse Date Calculator

M

→Main Sequence Star Temperature Calculator→Mars Opposition Date Calculator→Milky Way Rise Time Calculator→Milky Way Visibility Calculator→Moon Distance From Earth Calculator→Moon Phase Calculator→Moon Phase Calculator By Date→Moon Phase On Birthday Calculator→Moonrise And Moonset Time Calculator

N

→Npf Rule Calculator→Npf Rule Sharp Stars Calculator

O

→Orbital Period Calculator→Orbital Velocity Calculator

P

→Planet Distance From Sun Calculator→Planet Escape Velocity Calculator→Planet Orbital Period Calculator→Planet Orbital Speed Calculator→Planet Surface Gravity Calculator→Planetary Conjunction Date Estimator Calculator→Planetary Magnification Calculator

R

→Redshift To Recession Velocity Calculator

S

→Satellite Dish Angle Calculator→Saturn Ring Tilt Calculator→Schwarzschild Radius Calculator→Seeing Conditions Estimator Calculator→Sidereal Day Vs Solar Day Calculator→Signal To Noise Ratio For Stacking Calculator→Solar Azimuth Angle Calculator→Solar Eclipse Date Calculator→Solar Elevation Angle Calculator→Solar Noon Calculator→Solstice Equinox Date Calculator→Solunar Fishing Peak Time Calculator→Star Color To Temperature Converter Calculator→Star Distance Parsecs To Light Years Converter Calculator→Star Lifetime Estimator On Main Sequence Calculator→Star Proper Motion Calculator→Stellar Luminosity Calculator→Stellar Magnitude Calculator→Stellar Mass From Luminosity Calculator→Stellar Radius From Luminosity Calculator→Sun Position Calculator→Surface Gravity Calculator→Synodic Period Calculator

T

→Telescope Aperture To Limiting Magnitude Calculator→Telescope Exit Pupil Calculator→Telescope Field Of View Calculator→Telescope Focal Ratio Calculator→Telescope Light Gathering Power Calculator→Telescope Magnification Calculator→Telescope Resolving Power Calculator→Telescope Tracking Rate Calculator→Telescope Tube Thermal Equalization Time Calculator→Tidal Disruption Radius Calculator→Tracking Error Tolerance Calculator

V

→Variable Star Period Calculator

Z

→Zodiac Sign Calculator

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