A proportioning tool for curious makers
Find the balance
between parts.
Use the golden ratio to explore dimensions that feel naturally harmonious. Start with any measurement and let φ do the rest.
01 / Calculate
Choose your starting point
φ 1.618033988…
Short side61.80px
Ratio1 : 1.618
02 / Visualize
Your proportion
Long side Short sideDrag values on the left to explore
03 / Quick starts
Useful proportions,
ready to go.
φ
Why the golden ratio?
When a whole is divided so the relationship between the whole and the larger part equals the relationship between the larger and the smaller part, you get φ. It is a useful starting point—not a rule.
Read the two-minute guide →