Angular Size Calculator

θ = 2 arctan(size / 2d) — angular diameter from physical size and distance.

Angular Size
Angular diameter31.07′
Degrees (°)0.51783°
Arcminutes (′)31.07′
Arcseconds (″)1864.2″
Radians0.0090379

Famous angular sizes (click to load):

ObjectAngular diameter
Moon (full disk)31.07′
Sun (full disk)32.004′
Jupiter (max)49.987″
Venus (max)1.0403′
Andromeda galaxy5.3148°
Orion Nebula13.112°