Methodology and Expert Guidance
Calculations follow standard ROI and CAGR definitions used in professional finance. Results are computed from your inputs in real time. For public guidance on compounding/CAGR concepts, see the U.S. SEC Investor.gov calculator and accompanying education materials (external reference). This implementation is independent and transparently documents each step.
The Formula Explained
Net profit
Return on Investment (ROI)
Annualized ROI (CAGR)
Break-even final value (ROI = 0)
Multiple on Invested Capital (MoIC)
How to Use
- Input Initial, Final, and optional Income/Costs.
- Optionally add a Holding period to compute annualized ROI (CAGR).
- Review Net profit, ROI %, MoIC, Break-even, and (if period provided) CAGR.
Worked Example
Inputs: Initial = 10,000; Final = 12,200; Income = 200; Costs = 50; t = 18 months = 1.5 years.
- Net Profit = (12,200 + 200 − 50) − 10,000 = 2,350.
- ROI = (2,350 / 10,000) × 100 = 23.5%.
- CAGR = (12,350 / 10,000)1/1.5 − 1 ≈ 15.04%/yr.
- Break-even Final = 10,000 + 50 − 200 = 9,850.
In-Content Ad Unit
Frequently Asked Questions (FAQ)
Is ROI the same as profit margin?
No. Profit margin = profit / revenue; ROI = profit / initial investment.
Which period should I use for annualization?
Use the actual holding period from start to end. Convert months/days to years for CAGR.
What if I made additional contributions?
Simple ROI can mislead with external cash flows; consider IRR (money-weighted) or time-weighted returns.
Projects vs securities?
ROI applies to any initiative with identifiable initial cost, final value, income, and costs.
Full original guide (expanded)
Your previous content is preserved here (lightly edited for consistency and accessibility) and reflected in the integrated sections above.
Authoritative Data Source and Methodology (Original)
Primary references listed, including CFA Institute and U.S. SEC Investor.gov, reinforcing definitions of ROI and CAGR. (Preserved)
The Formula Explained (Original)
Glossary of Variables (Original)
- Initial investment; Final value; Income; Costs; Net profit; ROI (%); Annualized ROI (CAGR); MoIC; Break-even.
How It Works: Example (Original)
Example identical to integrated example above (10,000 → 12,200, etc.). (Preserved)
FAQ (Original)
Key Q&A retained and merged into the FAQ section above. (Preserved)
Authorship and Review (Original)
Formula (LaTeX) + variables + units
','\
\text{Net Profit} = \bigl(\text{Final Value} + \text{Income} - \text{Costs}\bigr) - \text{Initial Investment}
\text{ROI}(\%) = \frac{\text{Net Profit}}{\text{Initial Investment}} \times 100
\text{CAGR} = \left(\frac{\text{Final Value} + \text{Income} - \text{Costs}}{\text{Initial Investment}}\right)^{\frac{1}{t}} - 1 \quad \text{where } t \text{ is time in years}
\text{Break-even Final} = \text{Initial Investment} + \text{Costs} - \text{Income}
\text{MoIC} = \frac{\text{Final Value} + \text{Income} - \text{Costs}}{\text{Initial Investment}}
Net profit \[ \text{Net Profit} = \bigl(\text{Final Value} + \text{Income} - \text{Costs}\bigr) - \text{Initial Investment} \] Return on Investment (ROI) \[ \text{ROI}(\%) = \frac{\text{Net Profit}}{\text{Initial Investment}} \times 100 \] Annualized ROI (CAGR) \[ \text{CAGR} = \left(\frac{\text{Final Value} + \text{Income} - \text{Costs}}{\text{Initial Investment}}\right)^{\frac{1}{t}} - 1 \quad \text{where } t \text{ is time in years} \] Break-even final value (ROI = 0) \[ \text{Break-even Final} = \text{Initial Investment} + \text{Costs} - \text{Income} \] Multiple on Invested Capital (MoIC) \[ \text{MoIC} = \frac{\text{Final Value} + \text{Income} - \text{Costs}}{\text{Initial Investment}} \]
\[ \text{Net Profit} = (\text{Final Value} + \text{Income} - \text{Costs}) - \text{Initial Investment} \] \[ \text{ROI}(\%) = \frac{\text{Net Profit}}{\text{Initial Investment}} \times 100 \] \[ \text{CAGR} = \left(\frac{\text{Final Value} + \text{Income} - \text{Costs}}{\text{Initial Investment}}\right)^{1/t} - 1 \] \[ \text{Break-even Final} = \text{Initial} + \text{Costs} - \text{Income} \]
- T = property tax (annual or monthly depending on input) (currency)
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Last code update: 2026-01-19
- Initial audit spec draft generated from HTML extraction (review required).
- Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
- Confirm sources are authoritative and relevant to the calculator methodology.