Golden ratio section
Divide a segment into golden-ratio proportions—useful for layout sketches, art composition notes, and geometry curiosity.
Clientφ ≈ 1.618034 Long segment: 61.8034 Short segment: 38.1966 Ratio long:short ≈ 1.6180:1
Nearby workflows on Toolcore
- Fibonacci sequence generator — Generate the first n Fibonacci numbers (0, 1, 1, 2, …) locally—up to 500 terms. when units or numeric output should be checked on a related calculator.
- Ratio simplifier — Reduce ratio a:b to lowest terms using GCD—whole-number ratios in your browser. when units or numeric output should be checked on a related calculator.
- Nth Fibonacci number — Return F(n) for the Fibonacci sequence with F(0)=0, F(1)=1—iterative BigInt-safe path for moderate n. when units or numeric output should be checked on a related calculator.
- Math expression evaluator — Evaluate basic + − × ÷ arithmetic with parentheses in your browser—no variables. when units or numeric output should be checked on a related calculator.
Common use cases
- Plan proportional margins or hero sections in design mockups.
- Verify φ ≈ 1.618 splits for classroom geometry exercises.
Common mistakes to avoid
Negative length
Only positive totals are meaningful for this split.
FAQ
What is φ?
The golden ratio (1+√5)/2 ≈ 1.618—the long part divided by the short part.
Units?
Use any unit (px, cm, ft)—the ratio is unitless.
More tools
Related utilities you can open in another tab—mostly client-side.
Fibonacci sequence generator
ClientGenerate the first n Fibonacci numbers (0, 1, 1, 2, …) locally—up to 500 terms.
Ratio simplifier
ClientReduce ratio a:b to lowest terms using GCD—whole-number ratios in your browser.
Nth Fibonacci number
ClientReturn F(n) for the Fibonacci sequence with F(0)=0, F(1)=1—iterative BigInt-safe path for moderate n.
Math expression evaluator
ClientEvaluate basic + − × ÷ arithmetic with parentheses in your browser—no variables.