Golden Section Ratio Calculator

Enter a value for A to find B such that (A+B)/A = A/B = φ (≈1.618).

Please enter a positive number.

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B = A / φ
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A + B

1.618033988749895
φ = (1+√5)/2
0.6180339887498949
φ' = 1/φ

Formula: (A+B)/A = A/B = φ. Given A, B = A / φ.