How this calculation works
Simplify ratios and scale a known ratio to a target total or term. The result is calculated locally in your browser from the visible inputs, and the method below remains available for checking.
Worked example
2:3 scaled to 100 becomes 40:60.
Assumptions and limits
- Inputs use the units shown beside each field.
- Intermediate values retain precision; displayed values are rounded for readability.
Questions people ask
How does the Ratio Calculator work?
It applies this displayed method: The terms are divided by their GCD; scaling preserves their proportion within the target total. Values stay in your browser and are not submitted to a server.
What should I check before using the Ratio result?
Inputs use the units shown beside each field. Intermediate values retain precision; displayed values are rounded for readability. The result follows the displayed mathematical definition and the precision of the values entered.
Does this Ratio calculator save my information?
No. Calculation inputs are processed on this device. Sharing creates a URL only when you choose the share action.