Cap Rate Calculator
Real EstateCalculate the capitalization rate of an investment property from its price and NOI, or switch modes to solve in reverse for the implied property value or the NOI needed to hit a target cap rate.
Cap Rate
Your annual return on the property's full purchase price, ignoring financing.
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Real Estate calculators
Cap rate, short for capitalization rate, is the ratio of a property's annual net operating income (NOI) to its price, expressed as a percentage. It is the standard quick benchmark real estate investors use to compare properties independent of how each one is financed.
Most cap rate calculators only run one direction: price and NOI in, rate out. This one has three more real, commonly needed modes as well. If you already know the cap rate other investors are paying in an area and want to know what a given property's NOI implies about its market value, switch to Calculate Property Value. If you know the price and want to know the NOI a property would need to produce to hit a target rate, switch to Calculate Required NOI. And if you do not have a firm NOI figure yet, only monthly rent, vacancy, and expenses, switch to Estimate NOI from Rent first.
A quick mental shortcut worth knowing: at exactly a 10% cap rate, a property's value is simply its annual NOI with a zero added to the end, since dividing by 0.10 is the same as multiplying by 10. It is not a substitute for the real math at any other rate, but it is a fast sanity check.
The Cap Rate Formula Explained
Cap rate = Annual Net Operating Income / Property Price, multiplied by 100 to express it as a percentage. NOI is your annual rental income after operating expenses, property management, maintenance, insurance, property tax, and vacancy losses, but before mortgage payments, depreciation, or income tax, estimate your real rental income first if you do not already have a firm NOI figure. Since it excludes financing entirely, cap rate lets you compare two properties on their own economics, independent of how either one is actually paid for.
Building NOI From Rent, If You Do Not Have It Yet
If you only have a monthly rent figure rather than a full NOI, switch to Estimate NOI from Rent. It takes your monthly rent, subtracts a vacancy allowance (the percentage of the year the unit realistically sits empty between tenants), then subtracts your annual operating expenses, property tax, insurance, management, maintenance, and similar costs, but never the mortgage, to arrive at NOI.
The ratio of operating expenses to gross rental income, sometimes called the operating expense ratio, is worth watching on its own: a property with a much higher expense ratio than similar listings can mean deferred maintenance or an inefficient management setup, even if the headline cap rate still looks fine.
What Is a Good Cap Rate?
There is no single universal good cap rate, it depends on market, property type, and how much risk you are willing to accept. Historically, cap rates across most markets have run in the 8-12% range, though they compressed to unusually low levels, around 6.5%, during the mid-2000s housing boom, a real signal that prices had detached from rental income at the time.
- 4-6% cap rate: typically lower-risk properties in strong, competitive markets
- 7-10% cap rate: a common middle range for many rental properties
- 10%+ cap rate: often reflects higher risk, a less competitive market, or a property needing more active management
A higher cap rate is not automatically the better deal. It usually means the market is pricing in more risk, a rougher area, older building, unstable tenants, or real management burden, not that the property is a bargain. Compare cap rate alongside the property's actual condition and neighborhood, not as a standalone score. The ranges above are a starting point, not a substitute for real comparable sales: cap rates are set locally, so weigh recent sales of similar properties in the same submarket more heavily than any national figure, including the historical average cited here.
Cap Rate vs. Other Real Estate Return Metrics
Cap rate is one of several real estate return metrics, and it answers a specific question, not every question. The Cash-on-Cash Return Calculator answers a related but genuinely different one: it divides your annual pre-tax cash flow by the actual cash you invested, financing included, which is why a leveraged property's cash-on-cash return and its cap rate are usually two different numbers.
- Cap rate: NOI / price, ignores financing entirely, useful for comparing properties on their own merits
- Cash-on-cash return: annual cash flow after debt service / cash actually invested, reflects your specific financing
- Debt service coverage ratio (DSCR): NOI / annual debt payment, a lender's measure of whether the property's income comfortably covers its loan
- Gross rent multiplier (GRM): price / gross rental income, a rougher, income-tax-and-expense-blind screening ratio
When Cap Rate Does Not Apply
Cap rate assumes the property generates ongoing rental income, so it is not a useful tool for a short-term flip or a property you plan to renovate and resell rather than rent out, since those returns come from appreciation and value-add work, not a stabilized income stream. Cap rates also move with the broader interest rate environment: when rates rise, other investments become relatively more attractive, so investors generally demand higher cap rates too, which lowers what they are willing to pay for the same NOI.
Frequently Asked Questions
What is a good cap rate?
It varies by market and property type, but cap rates between 4-10% are common. Lower cap rates (4-6%) often reflect lower-risk properties in strong markets, while higher cap rates (8-10%+) typically reflect higher risk or less competitive markets.
What counts as Net Operating Income (NOI)?
NOI is your annual rental income minus operating expenses, property management, maintenance, insurance, property tax, and vacancy losses, but excluding mortgage payments and depreciation.
Does cap rate account for financing?
No. Cap rate is calculated as if the property were purchased entirely in cash, making it useful for comparing properties independent of how each buyer chooses to finance them.
Is a higher cap rate always better?
No. A higher cap rate usually signals more perceived risk, a weaker location, an older building, or a heavier management burden, not automatically a better investment. Weigh it alongside the property's real condition and market, not as a standalone score.
How do I find a property's implied value from its NOI?
Switch this calculator to Calculate Property Value, enter the property's NOI and the cap rate investors are paying for similar properties in that market, and the result divides NOI by that rate, the standard way appraisers and brokers estimate income-property value.
What does a 7.5 cap rate mean?
It means the property produces annual net operating income equal to 7.5% of its price. On a $300,000 property, a 7.5 cap rate implies $22,500 in annual NOI.
Do cap rates rise with interest rates?
Generally, yes. When interest rates rise, competing investments become more attractive, so real estate investors typically demand higher cap rates too, which lowers what they are willing to pay for a given NOI.
Is capitalization rate the same thing as cap rate?
Yes, cap rate is simply the common short form of capitalization rate. Both terms mean the same ratio, annual NOI divided by property price.
Can I use cap rate for a multifamily or commercial property?
Yes, cap rate applies to any income-producing property, single-family rentals, multifamily buildings, retail, office, and industrial alike. What counts as a good cap rate varies more by property type and market than the formula itself does, commercial and multifamily properties often trade at different typical ranges than single-family rentals in the same area.
Sources
- Commercial Real Estate Market Research, National Association of Realtors (NAR)
- CI 101: Financial Analysis for Commercial Investment Real Estate, CCIM Institute
- 2025 Multifamily Outlook, Freddie Mac Multifamily
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