Golden Ratio Calculator
Split any size using the golden ratio, 1.618.
Quick answer: enter your details below and click Calculate Golden Ratio — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter a starting value, such as a column width.
- Click Calculate Golden Ratio.
- Use the larger and smaller steps for paired elements.
About this tool
Enter a starting value and the tool shows the larger golden-ratio step up and the smaller step down, plus the classic two-part split of the whole. Use it to size a main column against a sidebar or a headline against supporting text.
Frequently asked questions
Is the golden ratio a strict rule?
No, it is a guide. If nearby values look better in your layout, use them.
Where does it help most?
Paired sizes work well: main versus sidebar columns, image versus caption, headline versus body text.