Golden Section Calculator

About This Tool

The online Golden Section Calculator is used to calculate the missing values to complete the golden section.

Golden Section

The golden section is a line segment divided according to the golden ratio (approximately 1.6180339887): The total length a + b is to the length of the longer segment a as the length of a is to the length of the shorter segment b (see image above).

a + b : a = a : b = 1.6180339887...