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CSS Design Calc – Golden Ratio Splitter
x402
CSS Design Calc – Golden Ratio Splitter is a paid API for AI agents from css-design-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).
Splits a total length into major and minor parts using the golden ratio (or silver, root-2, root-3, root-5, thirds, or a custom ratio), returning both values, percentages, and matching CSS grid columns.
Price / call$0.02
Success—
StatusUnknown
How this service works
Split a length into major and minor parts by the golden ratio (or silver, root-2, custom) with matching rectangle sizes.
Output
Returns the major and minor parts of the split, the ratio value used, the ratio name, each part as a percentage of the total, recommended CSS grid column template, rectangle height and matching width for the major part, and the next larger and smaller values in the same ratio sequence.
Example use cases
Golden ratio two-column layout
“I'm designing a webpage with a content area and sidebar. My container is 960px wide — can you split that using the golden ratio so I know what widths to use for each column?”
Silver ratio card proportions
“I need a card that's 480px wide and I want its height to follow the silver ratio. Can you split 480 using the silver ratio and tell me the major and minor values?”
Root-2 spacing system baseline
“I'm building a design system and want to divide a base spacing unit of 240 using the root-2 ratio. What are the major and minor parts, and what would the CSS grid columns look like?”
Technical details
Endpoint
GEThttps://css-design-calc.x402tookit.com/golden-ratio?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to apply classic proportional design systems (golden, silver, root-2, etc.) to a known measurement — such as a container width, font size, or spacing unit — and want all derived values (major/minor split, percentages, CSS grid columns, rectangle sizes) in one call. Prefer over manual calculation or general math APIs when you specifically want named design ratios and CSS-ready output.
Side effects
- Missing required 'total' query parameter returns an error
- A ratio value of 1 or below is invalid (must be above 1)
- An unrecognized ratio string that isn't a valid named ratio or number above 1 may return an error
- Non-numeric 'total' values will fail validation
- Very large or very small totals may produce impractical output
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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