ROI Formula
Return on Investment (ROI) is a fundamental profitability metric used to evaluate the efficiency or profitability of an investment. It helps businesses understand the financial gains relative to the cost of an investment, guiding future strategic decisions.
Formula
Copy the exact expression or work through it step by step below.
ROI = (Net Return - Initial Cost) / Initial Cost x 100 Variables
ROI
ROI
The roi value plugged into the roi calculation.
NR
Net Return
The net return value plugged into the roi calculation.
IC
Initial Cost
The cost-side input that anchors the roi math.
Step By Step
- 1
Set the baseline case with the real calculator inputs.
Initial Investment = 50,000, Upfront Benefit = 0, Annual Net Benefit = 14,000, Analysis Years = 5
- 2
Translate rates, periods, and cash values onto the same footing before combining them.
Keep the roi assumptions consistent instead of mixing monthly and annual views.
- 3
Apply the formula and read the first calculator outputs, not just the headline assumption.
The calculator lands with simple roi percent at 56.0% and annualized roi percent at 9.30%.
- 4
Run one changed scenario so the formula is stress-tested before it is trusted.
The roi payback calculator page is the fastest way to compare that second case.
Worked Example
ROI sample case
Initial Investment
50,000
Upfront Benefit
0
Annual Net Benefit
14,000
Analysis Years
5
ROI = (Net Return - Initial Cost) / Initial Cost x 100 using initial investment 50,000, upfront benefit 0, annual net benefit 14,000, analysis years 5.
The calculator lands with simple roi percent at 56.0% and annualized roi percent at 9.30%.
Common Variations
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Sources & References
- Return on Investment (ROI) Formula and How to Use It — Investopedia
- What is Return on Investment (ROI)? — Corporate Finance Institute
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