Angular Size (Diameter) Calculator

The angle of how large a circle appears from a given point is the angular size or diameter which can be calculated based on the distance between the observer and the object, linear size.

The angle of how large a circle appears from a given point is the angular size or diameter which can be calculated based on the distance between the observer and the object, linear size.

Code to add this calci to your website

Just copy and paste the below code to your webpage where you want to display this calculator.