ROI Investment Calculator
Calculate simple ROI, annualized return (CAGR), and net profit — then compare your result against S&P 500 benchmarks.
| Year | Value | Annual Gain | Total ROI |
|---|
What Does ROI Mean in Investing — Explained Simply
Return on Investment (ROI) is the answer to the most fundamental question in all of investing: for every dollar I put in, how much did I get back? It is a single percentage that cuts through every other metric — valuation ratios, earnings growth, market sentiment — and tells you directly whether an investment made or lost money relative to what it cost.
The concept is universal. ROI applies identically to a $500 stock purchase, a $50,000 rental property down payment, a $200,000 business acquisition, and a $10,000 Certificate of Deposit. Because it is expressed as a percentage, ROI allows you to compare investments of any size, type, and time horizon on equal terms.
The percentage return on your invested capital — how efficiently your money is working for you.
Positive ROI: the investment grew. Zero ROI: you got back exactly what you put in. Negative ROI: the investment lost money.
ROI is always expressed as a percentage of the original investment — not as an absolute dollar amount — so a $5,000 gain on a $10,000 investment (50% ROI) compares directly to a $500 gain on a $1,000 investment (also 50% ROI).
Time. A 50% ROI over 1 year is exceptional. A 50% ROI over 15 years is mediocre — roughly 2.8% per year.
This is why annualized ROI (CAGR) is required whenever you are comparing investments held for different durations. The ROI calculator above shows both — simple ROI for the total gain and CAGR for the annual equivalent — so you always have the full picture.
How to Calculate Return on Investment — Step by Step
Every return on investment calculation uses two core formulas. Choosing the right one depends on what you are trying to measure.
Use simple ROI when evaluating a single investment or comparing investments of the same duration. Use CAGR whenever you are comparing investments held for different time periods — it is the only mathematically fair comparison across durations.
Step-by-Step ROI Calculation — Worked Example
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Identify all costs — not just the purchase priceThe most common ROI error is using only the headline purchase price as the denominator. Every real investment has transaction costs. Stock trades may have commissions. Real estate has closing costs (3–5%), renovation expenses, and agent fees at sale (5–6%). Business acquisitions have legal fees, due diligence costs, and working capital requirements. Total Cost = Purchase Price + All Fees + Additional Capital Deployed.
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Calculate net profit accuratelyNet Profit = (Final Value + Any Income Received) − Total Cost. “Income received” includes dividends from stocks, rental income from properties, and revenue from businesses. Include it — it is real return on your investment. Example: $10,000 investment → $14,200 final value + $300 in dividends − $10,000 cost = $4,500 net profit.
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Apply the formulaSimple ROI = ($4,500 ÷ $10,000) × 100 = 45% simple ROI. This tells you the total gain over the entire holding period. If the investment lasted 3 years, that is your 3-year total return.
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Calculate annualized ROI (CAGR) for time comparisonCAGR = ($14,500 ÷ $10,000)^(1/3) − 1 = (1.45)^0.333 − 1 = 0.1318 = 13.2% per year. This is the annualized equivalent — what yearly return would produce the same 45% total gain if compounded steadily for 3 years. Use this number when comparing against any other investment with a different holding period.
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Compare against benchmarksA 13.2% annualized return beats the S&P 500 10-year average of approximately 10–13%. It significantly outperforms a HYSA at 4.7%. It justifies the investment risk. The ROI calculator above does this comparison automatically — showing your annualized return alongside every major US benchmark with a +/− indicator for each.
Simple ROI vs Annualized ROI — How to Compare Two Investments
The single most common ROI comparison error: using simple ROI percentages to compare investments held for different durations. Two investments can have identical simple ROI but dramatically different annual performance — and choosing the wrong comparison leads to consistently poor allocation decisions.
| Investment | Initial | Final Value | Held | Simple ROI | CAGR (Annual) | Better? |
|---|---|---|---|---|---|---|
| Stock A | $10,000 | $15,000 | 5 years | 50% | 8.45%/yr | |
| Stock B | $10,000 | $14,000 | 2 years | 40% | 18.32%/yr | ✓ Winner |
| Real Estate | $50,000 | $75,000 | 8 years | 50% | 5.20%/yr | |
| Business | $20,000 | $40,000 | 3 years | 100% | 26.00%/yr | ✓ Winner |
Stock A shows a higher simple ROI (50%) than Stock B (40%). But Stock B’s annualized return of 18.32% per year is more than double Stock A’s 8.45% per year. Stock B is the better investment by a wide margin — the simple ROI comparison reaches the opposite conclusion.
What Is CAGR and How Do You Calculate It?
CAGR stands for Compound Annual Growth Rate. It answers: what single annual return rate, compounded consistently, would produce the same total gain over the same time period? It is the investment equivalent of an annualised speed — it normalises every investment to a per-year basis regardless of how long it was held.
The practical rule: always use CAGR for any comparison across different holding periods. Use simple ROI only when the time period is identical for every investment being compared — and even then, calculate CAGR to understand the annual rate of growth.
How to Calculate ROI on Real Estate, Rental Property, and Business
The ROI calculation formula is the same for every investment type — but what counts as “total cost” and what counts as “income” varies significantly. Here is the correct approach for each major US investment category.
Stocks and ETFs
For stock investments, total cost is the purchase price plus any commissions (most platforms are now commission-free). Net profit includes both the price appreciation and any dividends received during the holding period.
Example: 100 shares purchased at $80/share ($8,000 total). Sold 3 years later at $112/share ($11,200). Dividends received over 3 years: $480. Total cost: $8,000. Net profit: $11,200 + $480 − $8,000 = $3,680. Simple ROI: 46%. CAGR: (11,680/8,000)^(1/3) − 1 = 13.4%/year.
Real Estate — The All-Costs Calculation
Real estate ROI is the most commonly miscalculated because there are more cost categories to include. The formula is identical but the inputs must be comprehensive.
| Line Item | Amount | Include In |
|---|---|---|
| Purchase price | $280,000 | Total Cost |
| Closing costs at purchase (3%) | $8,400 | Total Cost |
| Renovation expenses | $22,000 | Total Cost |
| Sale price | $355,000 | Final Value |
| Agent commission at sale (6%) | −$21,300 | Subtract from Final Value |
| Total Cost | $310,400 | |
| Net Final Value | $333,700 | |
| Simple ROI | 7.5% over 4 years | |
| CAGR | 1.83%/year | Below HYSA rate of 4.7% |
The headline “I bought for $280K and sold for $355K” sounds like a $75,000 gain (26.8% ROI). The all-costs calculation reveals a true 4-year ROI of 7.5% and an annualized return of 1.83% — below the current HYSA rate of 4.7%. This is not an unusual real estate outcome. It is why ROI calculations on full costs rather than purchase price alone matter for every property decision.
Rental Property — Cash-on-Cash vs Total ROI
Rental property requires two separate ROI metrics because the investment produces income annually (rent) and equity growth over time (appreciation + principal paydown).
Cash-on-Cash ROI = Annual Net Cash Flow ÷ Total Cash Invested × 100. This measures how efficiently your cash deposit generates annual income. A $60,000 down payment on a property that generates $3,600/year in net cash flow after all expenses has a cash-on-cash ROI of 6%. US investors typically target 6–8% as a minimum threshold for single-family rentals.
Total ROI = (Annual Net Cash Flow + Annual Appreciation + Annual Principal Paydown) ÷ Total Cash Invested × 100. This captures all wealth-building components. A property with 3% annual appreciation on a $250,000 value ($7,500) + $2,400 principal paydown + −$738 annual cash flow = $9,162 total annual return on $50,000 invested = 18.3% total ROI. The same property that barely breaks even on cash flow can return 18%+ on total ROI through appreciation and equity.
Small Business Investment
Business ROI is the most variable of all investment categories — from total loss to 100%+ annual returns depending on the business type, execution, and capital efficiency. The calculation is the same: total capital invested (startup costs, equipment, initial inventory, working capital) versus net profit returned over the investment period.
Example: $20,000 invested in equipment and initial inventory for a service business. Over 2 years: $68,000 revenue, $41,000 in operating costs. Net profit: $27,000. Simple ROI: 135% over 2 years. CAGR: ($47,000/$20,000)^(0.5) − 1 = 53.3%/year.
A 53.3% annualized business ROI is strong by any benchmark — roughly 4.6× the S&P 500 historical average. The trade-off is the additional time commitment, operational risk, and personal liability that equity investing does not carry. When evaluating a business investment, compare the CAGR to what the same capital would produce in an S&P 500 index fund to determine whether the premium return justifies the additional risk and effort.
What Is a Good ROI Percentage — 2026 US Benchmarks
A “good” ROI is always relative to the investment type, the risk level, and what alternatives are available. There is no universal answer — but there are clear benchmarks for every major US investment category in 2026.
The risk-free floor: any investment producing an annualized ROI below the current HYSA rate (4.5–5.0%) is underperforming a zero-risk, fully liquid alternative. In the current rate environment, this is a meaningful threshold — one that many “safe” investments in low-yield savings accounts fail to clear.
Within each investment category, what counts as a “good” ROI:
| Investment Type | Minimum Acceptable ROI | Strong ROI | Exceptional ROI |
|---|---|---|---|
| Stock / ETF (annualized) | Above 4.7% (HYSA) | 10–13% | 15%+ |
| Real Estate (total) | Above 7% | 10–15% | 18%+ |
| Rental (cash-on-cash) | 6% | 8–10% | 12%+ |
| Small Business | Above 10% | 20–30% | 50%+ |
| CD / Savings | Above inflation (2.8%) | 4.8–5.5% | 5.5%+ (rare) |
How to Calculate Investment Profit Using This ROI Calculator
The ROI calculator above is designed to give accurate results for any investment type when all costs and income sources are entered correctly. Here is exactly how to use each field to get the most accurate return calculation.
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Select your investment type presetThe six presets (Stock/ETF, Real Estate, Rental Property, Business, CD/Bond, Savings) each load realistic default values and open the relevant optional fields for that investment type. Select your category first — it sets the right context for the calculation and automatically shows the fees field for investment types where costs are significant.
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Enter Initial Investment — your total all-in costFor stocks: the purchase price including any commissions. For real estate: purchase price + closing costs + any renovation capital. For a business: all startup capital deployed including equipment, inventory, and working capital. Do not use just the headline purchase price — this is the most common source of ROI overstatement.
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Enter Final Value — net proceeds at exitFor stocks: the current market value or sale proceeds. For real estate: the sale price minus agent commission. For a business: either the sale price or the current estimated value. If the investment has not been sold, use the current fair market value for an unrealised return estimate.
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Add Fees and Income (the critical accuracy fields)Click “+ Fees & Additional Income” to open the optional fields. Fees: enter any transaction costs not already included in the initial investment — ongoing management fees, annual account fees, property management costs. Income: enter total income received during the holding period — stock dividends, rental income, business distributions. These fields convert a rough estimate into an accurate all-in return calculation.
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Review all five output figuresThe calculator returns: Simple ROI (total gain percentage), CAGR (annualized return), Net Profit/Loss (dollar amount), Gain Multiple (how many times your money grew), and a benchmark comparison table showing your annualized return versus S&P 500 historical averages, HYSA, and CD rates — with a colour-coded +/− for each. The year-by-year table (tap to expand) shows the hypothetical annual value at your CAGR rate for each year of the holding period.
The 5 Most Common ROI Calculation Mistakes — and How to Avoid Them
ROI is conceptually simple but operationally easy to get wrong. These five errors account for the majority of ROI miscalculations that lead investors to overestimate returns and make poor allocation decisions.
| # | Mistake | What It Does to Your ROI | Fix |
|---|---|---|---|
| 1 | Using purchase price instead of all-in cost | Overstates ROI by 20–50% | Include all closing costs, fees, renovations, commissions |
| 2 | Using simple ROI to compare different durations | Favours longer investments regardless of actual performance | Always use CAGR for cross-duration comparisons |
| 3 | Counting unrealised gains as finalised returns | Creates false confidence in paper gains | Distinguish clearly between realised and unrealised ROI |
| 4 | Ignoring income received (dividends, rent) | Understates true return | Add all income in the Income/Dividends field |
| 5 | Not adjusting for inflation on long-term investments | Overstates purchasing power gained | Subtract average inflation (3%) from CAGR for real return |
The most impactful of these is mistake #1 — particularly for real estate. A property bought for $280,000 and sold for $355,000 appears to have generated a $75,000 gain and a 26.8% ROI. Including closing costs ($8,400), renovation ($22,000), and agent fees ($21,300), the true total invested is $310,400 and the true net proceeds are $333,700 — a 7.5% total ROI over 4 years and a 1.83% annualized return. That is below the risk-free HYSA rate. The same investment looks very different depending on whether the calculation is done correctly.
ROI Calculator — Frequently Asked Questions
Everything you need to calculate, interpret, and compare return on investment across every common US investment type.
Calculating ROI correctly requires four steps: identifying all costs, calculating net profit, applying the formula, and then calculating CAGR for time-adjusted comparison.
Step 1 — Calculate total all-in cost. Total Cost = Purchase Price + All Fees + Any Additional Capital Deployed. Never use just the purchase price — closing costs, renovation expenses, commissions, and transaction fees must all be included.
Step 2 — Calculate net profit. Net Profit = (Final Value + Any Income Received) − Total Cost. Income received includes dividends, rental income, and business distributions.
Step 3 — Apply the ROI formula. Simple ROI = (Net Profit ÷ Total Cost) × 100. Example: $4,500 profit on $10,000 total cost = 45% simple ROI.
Step 4 — Calculate annualized ROI (CAGR) for comparison. CAGR = (Final Value ÷ Initial Investment)^(1 ÷ Years) − 1. For a 3-year investment: ($14,500 ÷ $10,000)^(1/3) − 1 = 13.2% per year.
A good ROI percentage depends on the investment type and risk level. The correct benchmark is always: does this return justify the risk taken, and does it beat the best available risk-free alternative?
| Investment Type | Minimum Good ROI | Strong ROI |
|---|---|---|
| High-Yield Savings (risk-free floor) | 4.5–5.0% APY | 5.5%+ |
| Stocks / ETFs (annualized) | Above 4.7% (HYSA) | 10–13% |
| Real Estate (total ROI) | Above 7% | 10–15% |
| Rental Property (cash-on-cash) | 6% | 8–10% |
| Small Business | Above 10% | 20–30% |
The universal minimum: any investment with an annualized ROI below 4.5–5.0% (current HYSA rate) is underperforming a risk-free, fully liquid savings account. This is the baseline every investment must beat before its risk premium is worth considering.
The S&P 500 benchmark: for equity investments, the S&P 500 has averaged approximately 10–13% annualized return over 10 and 30-year periods. An individual stock or actively managed fund should consistently beat this to justify the added risk of concentration.
CAGR (Compound Annual Growth Rate) is the annualized return — the single annual rate that, if compounded consistently, would produce the same total gain over the same time period. It is the correct metric for comparing investments held for different durations.
Formula: CAGR = (Final Value ÷ Initial Investment)^(1 ÷ Years) − 1
Example: $25,000 grows to $37,500 over 5 years. CAGR = (37,500/25,000)^(0.2) − 1 = (1.5)^0.2 − 1 = 8.45% per year.
Why CAGR matters more than simple ROI: a 50% total ROI over 10 years is a 4.1% annual return — below the current HYSA rate. A 50% total ROI over 2 years is a 22.5% annual return — exceptional. Without CAGR, these two very different investments look identical on a simple ROI basis.
| Simple ROI | Held For | CAGR (Annual) | vs HYSA (4.7%) |
|---|---|---|---|
| 50% | 2 years | 22.5%/yr | +17.8% |
| 50% | 5 years | 8.45%/yr | +3.75% |
| 50% | 10 years | 4.14%/yr | −0.56% |
| 50% | 20 years | 2.05%/yr | −2.65% |
The 50% simple ROI in the last row underperforms a risk-free HYSA by 2.65% annually. CAGR makes this visible immediately.
Rental property requires two separate ROI calculations because the investment generates both annual cash income and long-term equity growth. Using only one gives an incomplete — and often misleading — picture.
Cash-on-Cash ROI = Annual Net Cash Flow ÷ Total Cash Invested × 100
Net cash flow = annual gross rent minus all expenses (mortgage, property tax, insurance, maintenance, vacancy allowance, management fees). Total cash invested = down payment + closing costs + any immediate repairs.
Example: $60,000 down payment. Annual rent $24,000. Annual expenses $23,262 (mortgage $15,168, tax $2,750, insurance $1,200, maintenance $2,500, vacancy $1,200, management $1,444). Net cash flow: $738/year. Cash-on-cash ROI: $738 ÷ $60,000 = 1.2%.
Total ROI = (Annual Net Cash Flow + Annual Appreciation + Annual Principal Paydown) ÷ Cash Invested × 100
Same property: $738 cash flow + $7,500 appreciation (3% on $250,000) + $2,400 principal paydown = $10,638. Total ROI: $10,638 ÷ $60,000 = 17.7%.
Business ROI uses the same formula as any other investment — net profit divided by total invested capital. What differs is what counts as “total invested capital” for a business.
Total Capital Invested includes: startup costs (legal, registration, branding), equipment and technology, initial inventory, working capital (cash reserves to cover the first 3–6 months of operating losses), and any subsequent capital injections to fund growth.
Net Profit is total revenue minus all operating costs over the measurement period — excluding your own labour cost unless you are paying yourself a market-rate salary. If you are working in the business, your unreimbursed labour is a cost that reduces true ROI.
Example: $20,000 total capital invested. After 2 years: $68,000 revenue, $41,000 operating costs. Net profit: $27,000. Simple ROI: 135% over 2 years. CAGR: 53.3% per year.
Select the “Business” preset in the ROI calculator above to load realistic default values for a business investment scenario.
ROI stands for Return on Investment. It is the percentage gain or loss on an investment relative to the original amount invested. A 25% ROI means you made 25 cents for every dollar you put in. A −15% ROI means you lost 15 cents for every dollar invested.
ROI is used in investing for three reasons: it is universal (works for any asset type), it is proportional (a 20% gain on $1,000 and a 20% gain on $1,000,000 are equally efficient), and it is compareable (it allows direct comparison of investments of any size).
ROI vs other return metrics:
| Metric | What It Measures | Best Used For |
|---|---|---|
| Simple ROI | Total gain over entire period | Single investment evaluation |
| CAGR (Annualized ROI) | Equivalent annual growth rate | Comparing investments of different durations |
| IRR (Internal Rate of Return) | Time-weighted return with cash flows | Complex multi-cash-flow investments |
| Total Return | Price appreciation + income | Stocks and dividend-paying investments |
For most retail investors, simple ROI and CAGR cover the vast majority of investment evaluation needs. IRR is primarily used for real estate, private equity, and venture capital where cash flows occur at irregular intervals.
Rental property can produce strong ROI — but only when calculated correctly and benchmarked against alternatives. The answer depends on which metric you use and whether all costs are included.
Cash-on-cash ROI benchmark: a rental property in the US should achieve at least 6% cash-on-cash ROI to justify the management burden and illiquidity risk compared to a HYSA. Markets where properties yield 8–12% cash-on-cash (typically secondary and tertiary markets) are generally considered favourable for income-focused investors.
Total ROI benchmark: when appreciation and equity are included, many cash-flow-negative properties in high-growth markets produce 12–18%+ total ROI. These are generally considered good investments for long-term wealth building — provided the investor can sustain negative monthly cash flow during the holding period.
The leverage advantage: rental property allows 5:1 leverage (20% down controls 100% of the asset). A 3% appreciation on a $300,000 property ($9,000) represents an 18% return on the $50,000 down payment — before any cash flow or principal paydown. This leverage multiplier makes real estate ROI calculations uniquely sensitive to appreciation assumptions.
Risks that reduce realised ROI: vacancy periods, major repairs, problem tenants, property management costs, and local market downturns. A $20,000 HVAC replacement in year 3 materially reduces the 4-year total ROI on a $250,000 property. Conservative ROI projections should include a maintenance reserve of 1–2% of property value annually.
Comparing two investments requires three rules to get an accurate result:
Rule 1: Always use CAGR, not simple ROI, for different holding periods. A 60% simple ROI over 5 years (CAGR 9.9%) is worse than a 40% simple ROI over 2 years (CAGR 18.3%). Simple ROI comparison reaches the opposite conclusion. When holding periods differ, CAGR is mandatory.
Rule 2: Compare at the same risk level. An 18% annualized return on a speculative single-stock bet is not better than an 11% return on a diversified index fund unless you are specifically willing to accept the additional volatility and concentration risk. Always compare at equivalent risk.
Rule 3: Use the same cost methodology for both investments. If you include fees and transaction costs for one investment, include them for both. The most common comparison error is calculating a real estate ROI on the headline purchase price (omitting closing costs and renovation) while calculating a stock ROI including all commissions.
Practical comparison framework:
| Investment | Simple ROI | Duration | CAGR | Risk |
|---|---|---|---|---|
| Stock portfolio | 65% | 5 yrs | 10.6%/yr | Medium |
| Rental property | 72% | 8 yrs | 7.0%/yr | Medium-High |
| Business investment | 135% | 2 yrs | 53.3%/yr | High |
Simple ROI ranks the business highest (135%), then property (72%), then stocks (65%). CAGR comparison at equivalent risk shows stocks outperforming property on an annual basis, with business investment offering the highest absolute return but with correspondingly higher risk and effort.
Standard ROI calculations are nominal — they measure the percentage gain in dollar terms without adjusting for inflation. A 6% nominal annualized return at 3% annual inflation is a 3% real return in purchasing power terms.
Real ROI formula: Real ROI ≈ Nominal ROI − Inflation Rate. More precisely: Real Return = ((1 + Nominal Rate) ÷ (1 + Inflation Rate)) − 1.
Why this matters for long-term investments: on a 20-year investment, a 6% nominal annualized return and a 3% inflation rate produce a real return of approximately 2.9% annually — significantly lower than the headline figure. For retirement planning purposes, using nominal returns to project future purchasing power significantly overstates real wealth.
| Nominal Annual Return | Inflation (3%) | Real Annual Return |
|---|---|---|
| 4.7% (HYSA) | 3.0% | 1.65% real |
| 7.0% | 3.0% | 3.88% real |
| 10.0% | 3.0% | 6.80% real |
| 3.0% (old savings account) | 3.0% | 0% real — no gain in purchasing power |
Any investment earning below the inflation rate has a negative real ROI — meaning the purchasing power of your money is declining even as the dollar balance grows. In the current US environment (inflation approximately 2.8% in early 2026), a traditional bank savings account earning 0.5% APY has a real return of approximately −2.3% annually.
The fees and additional income fields in the ROI calculator are what separate an accurate calculation from an estimate. Here is exactly how to use each one:
Total Fees / Costs field: enter any costs not already included in the initial investment amount. This includes: ongoing management fees for an actively managed fund, property management fees paid annually, annual account maintenance fees, ongoing business operating costs not already subtracted from the “final value” figure. Do not double-count costs you already subtracted from the final value.
Income / Dividends field: enter the total income received during the holding period. For stocks: cumulative dividends paid. For rental property: total net rental income received (after expenses, not gross rent). For a bond or CD: total interest payments received. For a business: total distributions or owner’s draw taken.
Example — a $10,000 stock investment:
| Without income field | With income field |
|---|---|
| Initial: $10,000 | Initial: $10,000 |
| Final: $13,500 | Final: $13,500 + Income: $600 |
| Simple ROI: 35% | Simple ROI: 41% |
| CAGR (3yr): 10.6% | CAGR (3yr): 12.3% |
Including the $600 in dividends increases the annualized return from 10.6% to 12.3% — a material difference when compared against benchmarks. For dividend-paying stocks, REITs, and rental properties, omitting income understates true ROI by 1–4 percentage points annually.
Select any investment type preset in the ROI calculator above — the Rental Property and Business presets automatically open the income and fees fields with contextual labels for each investment type.