Golden Ratio & Golden Section Calculator

Uncover the magic of the Golden Ratio (Phi) with this interactive tool. Input any known value to explore the harmonious proportions of the Golden Section.

Unlock Golden Proportions

Enter just one known value (a+b, a, or b) to calculate the other parts of the Golden Section, guided by the divine ratio (φ ≈ 1.618).


Golden Section Result

The Golden Section is:

(a+b) : a = a : b
: = :

Calculation Steps:

Understanding the Golden Section

The Golden Section, often called the Golden Ratio or Golden Mean, is a unique number approximately 1.618. It's denoted by the Greek letter phi (φ). This ratio is found throughout mathematics, nature, art, and architecture, believed to create aesthetically pleasing proportions.

The Golden Proportion:

It's defined by dividing a line into two segments such that the ratio of the whole line to the longer segment is the same as the ratio of the longer segment to the shorter segment. Mathematically:

$$ \frac{a+b}{a} = \frac{a}{b} = \phi \approx 1.618 $$

This calculator helps you explore this relationship. By entering one value (a+b, a, or b), you can discover the other values that maintain the golden proportion.

Applications:

  • Art & Design: Creating balanced and visually appealing compositions.
  • Architecture: Proportioning buildings for aesthetic harmony.
  • Nature: Observed in patterns like spirals in shells and flower petals.
  • Mathematics: A key concept in geometry and number sequences like Fibonacci.

Learn more: Wikipedia, MathWorld