Ratios Calculators
3 free ratios calculators in the Mathematics category. Each tool gives instant results and explains the formula so you can follow the calculation.
Golden Ratio Calculator
phi about 1.6180339887; longer = value x phi, shorter = value / phi
Open calculator โProportion Calculator
A/B = C/D => D = C x B / A
Open calculator โRatio Calculator
Simplify A:B by their GCD; scale proportionally if a target is given
Open calculator โAbout ratios calculations
This page groups the ratios tools within Mathematics. Pick a calculator above to enter your values and get an instant result, complete with the formula, a step-by-step breakdown and a worked example. All calculators are mobile-friendly, accessible and free.
What are ratios calculators used for?
These tools help you with ratios calculations in the mathematics category, giving instant results with the formula and a worked example on each page.
Are they free and private?
Yes. They are free, require no sign-up, and run entirely in your browser so your inputs stay on your device.