A golden ratio is a number of a line divided into two segments. The ratio of the whole is the same to the larger segment as the larger segment is to the shorter segment. A golden ratio is an irrational number, which means a number that never ends. Mathematically the golden ratio can be written as (1 + sqrt(5)) / 2 = 1.61803398875…
Other names for the golden ratios are the golden section, golden mean, divine proportion, mean ratio, proportionally divided, continuous proportion, goldene schnitt or a golden number.
This website allows you to create golden ratio relationships based on the entered number. Except that you can calculate a golden ratio lines, golden ratio circles, golden ratio rectangles, or golden ratio triangles. The result can be exported as an SVG file and can be used in any vector editor like Adobe Illustrator, Sketch, Figma, etc.