IRR
The annualized compound return on your total cash invested — every dollar in and out (cash flow, appreciation, paydown) weighted by timing. Shown for each possible exit year.
Example Result
Sample DataBased on a sample $385,000 property with $2,850/month rent, 20% down, 7% interest rate.
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IRR by Exit Year Chart
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View PricingIRR Formula
Discount rate
where NPV of all cash flows = 0
What This Means
A sample property priced at $385,000 with $2,850/month rent has a irr of 6.25%. IRR is the gold standard for sophisticated real estate investment analysis because it captures the complete economic picture of a deal in a single annualized percentage. Unlike cash-on-cash return (which ignores appreciation) or cap rate (which ignores your financing), IRR accounts for your initial cash invested, the cash flow you collect each year, and the net proceeds when you sell — all adjusted for the time value of money. Professional investors and institutional buyers use IRR as their primary decision metric because it lets them compare rental properties directly against stocks, bonds, and other asset classes on an apples-to-apples basis.
What Is IRR?
The Internal Rate of Return (IRR) is the annualized discount rate that makes the net present value (NPV) of all your investment's cash flows equal exactly zero. In plain English: it's the compound annual growth rate your money earns over the entire holding period — accounting for every dollar in and every dollar out, and when each occurred.
IRR is often called the "gold standard" of real estate return metrics because it captures the complete economic picture of a deal: your upfront cash invested, the cash flow you collect each year, and the net proceeds when you eventually sell — all unified into a single annualized percentage.
Key insight: A 15% IRR means your money grew at 15% per year, compounded annually, over the entire holding period. That's equivalent to a bank account paying 15% annual interest — except the "interest" comes from rent, appreciation, and principal paydown combined.
Why IRR Is an Annual (Not Monthly) Metric
Unlike most rental property metrics — cash flow, vacancy rate, expenses — IRR is fundamentally a year-by-year calculation. Each year is treated as one complete cash flow period. Here's why that matters:
Time Value of Money
$10,000 received today is worth more than $10,000 received in five years. IRR discounts each year's cash flows back to today's dollars, so early cash flows are weighted more heavily than later ones.
Exit Year Matters
IRR changes significantly depending on when you sell. Hold for 5 years vs. 20 years can produce dramatically different IRRs because appreciation compounds, the mortgage pays down, and your original investment is spread across more years.
Annualized Result
The result is expressed as an annual percentage — making it directly comparable to other investments like stocks, bonds, or savings accounts, regardless of hold period length.
All Return Streams Combined
IRR bundles cash flow, appreciation, and mortgage paydown into a single number. Monthly metrics show each stream separately — IRR shows the net compound annual return from all of them together.
Why not monthly IRR? You could technically compute a monthly IRR and multiply by 12, but real estate convention uses annual periods. Annual IRR is universal — it lets you compare your rental property against stock market returns (S&P 500 averages ~10%/year), bonds, business investments, and other properties on an apples-to-apples basis.
How IRR Is Calculated
IRR cannot be solved algebraically — it requires iterative numerical methods. The calculator tries different discount rates until it finds the one that makes NPV = 0.
The NPV Equation (solve for r where NPV = 0)
Cash Flows Used in the Calculation
| Period | Cash Flow | Direction |
|---|---|---|
| Year 0 (Purchase) | Total Cash Invested (down payment + closing costs + rent-ready costs) | Outflow (−) |
| Years 1 – N−1 | Annual Cash Flow Before Tax (rent − expenses − mortgage payment) | Inflow (+) |
| Year N (Exit) | Annual Cash Flow Before Tax plus Net Sale Proceeds (sale price − remaining mortgage − selling costs) | Inflow (+) |
Appreciation projection: The exit price is estimated using the property's projected annual appreciation rate applied over the holding period. This is why IRR is inherently a projection — the actual sale price will differ from the estimate, which will change your realized IRR.
How to Interpret Your IRR
IRR is most useful when compared against a hurdle rate — your minimum acceptable annual return. If a deal's IRR exceeds your hurdle rate, the deal clears your threshold. If it falls short, the deal doesn't justify the capital and risk.
Comparable to or worse than stock market alternatives. May not justify illiquidity and management burden of real estate.
Competitive with real estate alternatives. Justifies the investment, especially with favorable financing and appreciation.
Strong deal. Typical of value-add properties, high-appreciation markets, or transactions with favorable seller terms.
Hold period sensitivity: IRR typically improves with longer holds in appreciating markets because your fixed mortgage cost becomes a smaller share of rising rents, and accumulated appreciation delivers a larger exit payday. The "IRR by Exit Year" chart above shows exactly how this plays out for your property.
Negative early IRR is normal: In the first few years, before appreciation has had time to compound and cash flow has had time to accumulate, IRR can be negative or very low. This doesn't mean the deal is bad — it means the big payoff is still ahead of you.
IRR vs. Other Return Metrics
| Metric | What It Measures | What It Misses |
|---|---|---|
| IRR | Complete compound annual return — cash flow, appreciation, paydown, all weighted by timing | Sensitive to sale price assumptions; ignores taxes on exit |
| Cash-on-Cash Return | Annual cash flow ÷ cash invested — pure cash yield on your down payment | Ignores appreciation, equity buildup, and time value of money |
| Cap Rate | NOI ÷ property value — property income yield independent of financing | Ignores financing, appreciation, your equity position, and time value of money |
| Total Return | Simple sum of all return streams as a percentage of invested capital | Does not annualize — a 100% total return over 20 years is very different from 100% over 3 years |
| Equity Multiple | Total dollars returned ÷ dollars invested (e.g., 2.5× means you got back 2.5 times your money) | Does not account for how long it took — 2.5× in 5 years vs. 2.5× in 20 years are very different |
Professional investors typically use IRR alongside equity multiple and cash-on-cash return — no single metric tells the complete story. IRR answers "how fast did my money grow?" while equity multiple answers "how much money did I end up with?"
Where This Value Comes From
IRR is not entered directly — it is calculated from Total Cash Invested, Appreciation Rate, and Property Value. See the formula breakdown above and the detailed inputs below.
Inputs That Determine IRR
Platform Distribution
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Unlock Rental Property CalculatorWhy It Matters
IRR is the gold standard for sophisticated real estate investment analysis because it captures the complete economic picture of a deal in a single annualized percentage. Unlike cash-on-cash return (which ignores appreciation) or cap rate (which ignores your financing), IRR accounts for your initial cash invested, the cash flow you collect each year, and the net proceeds when you sell — all adjusted for the time value of money. Professional investors and institutional buyers use IRR as their primary decision metric because it lets them compare rental properties directly against stocks, bonds, and other asset classes on an apples-to-apples basis.
Detailed Explanation
IRR is calculated by finding the discount rate that makes the net present value (NPV) of all cash flows equal zero. At Year 0, your total cash invested is a negative cash flow. Each subsequent year contributes your annual cash flow before tax as a positive cash flow. In the final (exit) year, the positive cash flow includes both that year's operating cash flow and the net sale proceeds — the projected sale price minus the remaining mortgage balance and selling costs. Because there is no algebraic formula that directly solves for the IRR given these inputs, the calculator uses an iterative numerical method (bisection or Newton-Raphson): it guesses a discount rate, computes NPV, then adjusts the guess higher or lower until NPV converges to zero. The resulting rate is your IRR. Since IRR is expressed as an annualized percentage, it is directly comparable to other investment returns regardless of how long you hold the property.
Example
Based on a sample $385,000 property with $2,850/month rent, 20% down, 7% interest rate.
Related Calculations
Cap Rate
2CAP rate is short for Capitalization Rate. Net operating income as a percentage of property value.
Cash on Cash Return
UAnnual cash flow divided by total cash invested.
Total ROI
WCombined return from cash flow, appreciation, loan paydown, and Cash Flow from Depreciation™.
Cash Flow Return on Equity
UAnnual cash flow as a percentage of current equity.
Appreciation Return on Equity
UAnnual appreciation as a percentage of current equity.
Debt Pay Down Return on Equity
UAnnual principal paydown as a percentage of current equity.
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