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Golden Ratio Calculator

Calculate the golden ratio counterpart of any dimension. Enter a value and get its phi (1.618) equivalent as a mathematically harmonious starting point for layout proportions.

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When would you use this?

The golden ratio (phi, approximately 1.618) has been used in design for centuries and while you can absolutely overdo it, it's a genuinely useful tool for creating proportions that feel balanced and natural. Whether you're sizing a sidebar relative to a main column, setting a logo's width, or proportioning a card, the golden ratio gives you a mathematically harmonious starting point. Enter any dimension and get its golden counterpart.

Common Questions