Golden Ratio Calculator

From a main value or dimension, calculates its golden-ratio counterparts by multiplying and dividing it by φ = (1 + √5) / 2, using full numeric precision and rounding only for display. It's explained as a mathematical relationship, never as a guarantee that a design will be better or more attractive.

Processed on your device, no AI

Main value or dimension

The golden ratio is a mathematical relationship, not a guarantee of perfect design.

The content is processed on your device and is never uploaded to the server.

Use cases

Calculate the golden-ratio proportions of a design element
Get the larger and smaller value of a dimension using φ
Explore the golden ratio's mathematical relationship with your own values

How to use this tool

Enter a main value or dimension
Check the larger (× φ) and smaller (÷ φ) value
Copy the result you need

Frequently asked questions

Does it guarantee good design?

No. It's purely a mathematical relationship (φ ≈ 1.618); the tool never presents it as a guarantee of correct or attractive design.

What if I enter a negative value or zero?

The tool requires a value greater than 0 and clearly says so if it isn't.

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