All calculators
finance pricing·Simple·Featured
ROI Calculator
Formula: roi_percent = (gain − cost) ÷ cost × 100
Inputs
Results
ROI Percent
55 %
Warnings & checks
- ⚠Warn if ROI is below target
Recommended next actions
- →Compare ROI with payback and NPV for better decision
For estimation and decision support. Verify safety-critical results with OEM data, standards, or qualified engineering review.