Free Web Design Tool
Free Golden Ratio Calculator — Run the numbers in seconds with clear, plain-English results. No signup, no spreadsheets.
Use the Golden Ratio Calculator output in briefs, proposals, or QBRs so every party is working from the same golden ratio instead of a rough guess.
Capture today's golden ratio so you have an honest comparison point when you measure results later.
Show the inputs and the math so the golden ratio you're proposing isn't taking on faith. Stakeholders can poke at it before they sign off.
Someone hands you a golden ratio figure and you're not sure it's right. Drop the inputs into the Golden Ratio Calculator to confirm before you act on it.
The golden ratio (approximately 1.618) is a proportion used in design and typography to create visually balanced layouts, type scales, and image crops. This calculator takes any one value and returns the other side of the ratio so you can size elements proportionally.
Yes. It uses the same calculation marketers, analysts, and finance teams use day to day. If your inputs are accurate, the golden ratio output will be too.
The numbers stay on this page. Screenshot the result, or copy the inputs and answer into a doc to share it with a teammate or client.
That's normal. Use ranges. Run the Golden Ratio Calculator with a conservative input and an optimistic input to see the realistic spread of golden ratio you could land in.
Yes. No signup, no limits, no email gate. Use the Golden Ratio Calculator as often as you need.
No. This tool runs entirely in your browser. Nothing you enter is sent to a server, saved, or shared with anyone.
Please do. We're happy for marketers, agencies, and educators to link to this page so their readers can use the Golden Ratio Calculator here.
Want an agency that hits the numbers this tool helps you measure? Suff Digital Web Design & Development