Among the metrics used to evaluate rental property investments, cash-on-cash return stands apart from cap rate and gross yield because it measures what investors actually care about: the return on dollars physically deployed. Where cap rate ignores financing and gross yield ignores expenses, cash-on-cash return captures the net annual income generated relative to the out-of-pocket equity invested. For leveraged real estate — the dominant acquisition structure — this distinction is significant.
Informational calculation reference only.
All equations, tools, and outputs on this page are intended strictly for educational modeling and mathematical illustration. They do not constitute certified financial, legal, or tax advice. For specific scenarios, consult a certified public accountant (CPA) or a fiduciary financial advisor.
Why this metric dictates profitability
Cash-on-cash return directly measures capital efficiency. Two properties generating identical cap rates can produce dramatically different cash-on-cash returns if they are financed at different leverage ratios or interest rates. A 6% cap rate property financed at 7.5% interest produces negative leverage — the cost of debt exceeds the property's unlevered yield — resulting in cash-on-cash returns below the cap rate. The same property financed at 5.5% produces positive leverage and a cash-on-cash return above the cap rate.
This relationship is the core reason investors model cash-on-cash return rather than stopping at cap rate. It incorporates actual financing terms, vacancy assumptions, and operating expenses into a single yield figure benchmarkable against alternative investments. When an investor evaluates whether to put $80,000 down on a rental property or deploy that capital elsewhere, the relevant comparison is after-financing, after-expense return on that $80,000 — not the unlevered asset yield.
Equation and data inputs
The cash-on-cash return formula is:
\text{CoC Return} = \frac{\text{Annual Pre-Tax Cash Flow}}{\text{Total Cash Invested}}where Annual Pre-Tax Cash Flow equals Gross Rental Income minus Vacancy Allowance minus Operating Expenses minus Annual Debt Service, and Total Cash Invested equals Down Payment plus Closing Costs plus Initial Repair Costs.
Breaking out each component:
\text{Annual Pre-Tax Cash Flow} = (GRI \times (1 - V)) - OpEx - DSIn this expression, $GRI$ is the gross annual rental income at full occupancy, $V$ is the vacancy rate expressed as a decimal (5% vacancy = 0.05), $OpEx$ includes property taxes, insurance, property management fees (typically 8–12% of collected rents), maintenance reserves, and HOA fees, and $DS$ is the annual debt service (12 monthly mortgage payments including principal and interest).
A worked example: a duplex purchased for $380,000 with a $76,000 down payment (20%), $7,200 in closing costs, and $4,000 in initial repairs produces Total Cash Invested of $87,200. At $3,200 per month gross rent, $GRI$ = $38,400 annually. Applying a 5% vacancy allowance: $38,400 × 0.95 = $36,480 effective gross income. Operating expenses total $9,600 annually (taxes $4,200, insurance $1,800, management $3,600). Annual debt service on a $304,000 loan at 7.25% over 30 years = approximately $24,940. Annual pre-tax cash flow = $36,480 − $9,600 − $24,940 = $1,940. Cash-on-cash return = $1,940 ÷ $87,200 = 2.22%.
Benchmark ranges
Cash-on-cash return benchmarks vary by market type, asset class, and financing environment. The following table reflects broadly observed ranges under 2026 market conditions with conventional financing at approximately 7.0–7.5% rates.
| Property type | Market tier | Typical CoC range | Notes |
|---|---|---|---|
| Single-family rental | Secondary/tertiary | 4.0%–8.0% | Lower price points, higher yield potential |
| Single-family rental | Primary metro | 1.0%–3.5% | High prices compress returns at standard leverage |
| Small multifamily (2–4 units) | Secondary | 3.5%–7.0% | Economies of scale on per-unit expenses |
| Small multifamily (2–4 units) | Primary metro | 0.5%–2.5% | Negative cash flow common at peak leverage |
| Short-term rental (STR) | High-demand markets | 5.0%–12.0%+ | High variance; depends on occupancy and ADR |
| Commercial NNN | All markets | 4.0%–7.0% | Tenant pays most operating expenses |
The Rental Property Calculator applies this formula to any set of purchase, financing, and expense inputs and outputs cash-on-cash return alongside cap rate and gross yield for direct comparison.
Disclaimer: While we strive for absolute mathematical precision, actual real-world financial outcomes may vary based on institutional fees, localized tax brackets, changes in federal legislation, or fluctuating market indexes.