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ROI Calculator
Return on investment — gain ÷ cost × 100
Formula: roi_percent = (gain − cost) ÷ cost × 100
Simple percentage return on an investment. Use to compare investment opportunities at-a-glance, but pair with NPV and Payback for capital decisions — ROI alone doesn't account for time value of money or project duration.
Inputs
Results
ROI Percent
55 %
Recommended next actions
- →Compare ROI with payback and NPV for better decision
Turn this result into an action plan
Send the calculation to your inbox or book a review if the numbers point to cost, compliance, or uptime risk.
Formula
roi_percent = (gain − cost) ÷ cost × 100Worked example
Inputs
gain155000
cost100000
Outputs
roi_percent55
For estimation and decision support. Verify safety-critical results with OEM data, standards, or qualified engineering review.