How to use it
- Enter a positive known value.
- Choose whether it is the smaller value, larger value or total.
- Calculate the paired dimensions and percentage split.
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Calculate paired values using phi or split a total into golden-ratio proportions.
Use phi as a numerical proportion for layout experiments and measurement comparisons.
Phi is approximately 1.61803398875. Larger equals smaller times phi, while smaller equals larger divided by phi.
Splitting 100 gives approximately 61.80 and 38.20.
The ratio is an optional composition aid, not a rule for effective design.