What is calculated
Calculate effective gross income, conventional property-level NOI, capitalization rate and value at a user-entered target cap rate.
Capitalization Rate and NOI Calculator
Use the Capitalization Rate and NOI Calculator to calculate property-level NOI before financing and divide it by entered property value for a transparent capitalization rate.
Capitalization rate
Enter your values, then calculate to see a verified result.
Reference range
How this result is calculated
A clear calculation path based on your inputs.
Inputs usedReview the information used for this result.
Full calculation and sourcesReview the full ledger and limitations, not only the headline result.
Versioned calculationFormula v1.0.0
Method
The entered values are normalized, validated, and passed to the versioned calculation.
Important boundary
The model does not infer coverage, claim approval, accumulator credit, diagnosis, market rent, appraisal value, tax treatment or legal rental status.
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Result + assumptionsInterpretation
The result reflects the current inputs and selected workflow.
Calculated with the versioned 1.0.0 model.
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Report a calculation issue Capitalization Rate and NOI Calculator: purpose and method
Calculate effective gross income, conventional property-level NOI, capitalization rate and value at a user-entered target cap rate.
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Method and test recordFormula v1.0.0
- Recorded scope
- Not recorded
- Publisher
- CalculatorGeek
- Reviewed by
- CalculatorGeek Editorial Team
- Recorded review date
- Not recorded
- Next source review
- Not scheduled
- Definition fixtures
- 3 configured scenarios
- Published examples
- 3 shown below
Recorded method
No tool-specific review method has been recorded.
These records describe the published model and reference tests. A test-case count is not a certification of every possible input or an independent specialist review. Editorial policy
Known limitations
- The model does not infer coverage, claim approval, accumulator credit, diagnosis, market rent, appraisal value, tax treatment or legal rental status.
- Actual plans, EOBs, pharmacy prices, property records, local rules and tax treatment may differ.
- Use the responsible plan, provider or qualified professional for consequential decisions.
Method sources
Latest model update
2026-10-10 - Completed missing semantic entities, relationships, answer targets, query themes, questions, and visible input/output meaning without changing the calculation model.
Reference inputs and expected results
Up to 12 examples from the configured definition fixtures are shown. Expected values use the stated output units; invalid inputs are intended to be rejected.
| Case | Inputs | Expected result |
|---|---|---|
| Capitalization Rate and NOI Calculator verification scenario 1 | Market and currency: us; Annual gross potential rent: 30000 currency; Vacancy and collection allowance: 0 pct; Annual other property income: 0 currency; Annual recurring operating expenses: 12000 currency; Property price or current value: 300000 currency; Target capitalization rate: 6 pct | Capitalization rate: 6 %; Net operating income: 18000; Effective gross income: 30000; Vacancy allowance: 0; Value at target capitalization rate: 300000; Operating expense ratio: 40 % (allowed numeric tolerance: 1.0E-7) |
| Capitalization Rate and NOI Calculator verification scenario 2 | Market and currency: us; Annual gross potential rent: 37500 currency; Vacancy and collection allowance: 0 pct; Annual other property income: 0 currency; Annual recurring operating expenses: 12000 currency; Property price or current value: 300000 currency; Target capitalization rate: 6 pct | Capitalization rate: 8.5 %; Net operating income: 25500; Effective gross income: 37500; Vacancy allowance: 0; Value at target capitalization rate: 425000; Operating expense ratio: 32 % (allowed numeric tolerance: 1.0E-7) |
| Capitalization Rate and NOI Calculator verification scenario 3 | Market and currency: us; Annual gross potential rent: 30000 currency; Vacancy and collection allowance: 0 pct; Annual other property income: 0 currency; Annual recurring operating expenses: 12000 currency; Property price or current value: 300000 currency; Target capitalization rate: 6 pct | Capitalization rate: 6 %; Net operating income: 18000; Effective gross income: 30000; Vacancy allowance: 0; Value at target capitalization rate: 300000; Operating expense ratio: 40 % (allowed numeric tolerance: 1.0E-7) |
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Quick answer
Continue to Rental Property Cash Flow Calculator and Rental Property Cash-on-Cash Return Calculator when the decision extends beyond this worksheet. Browse the finance calculator hub for a separate task.
Quick answer. Net operating income excludes financing payments and income taxes, while capitalization rate uses NOI divided by property value or purchase price. Mixing mortgage payments into NOI double-counts financing when you then compare cap rates. Consistent income and operating-cost assumptions matter. An NOI of $18,000 divided by a $300,000 property price gives a 6% cap rate. Check the applicable source records before treating this as anything beyond an illustrative calculation.
What does this calculator actually measure?
Capitalization Rate and NOI Calculator models noi, cap rate and implied value. The main decision is: Why is mortgage interest excluded from NOI? The value of a worksheet like this is that it keeps cost components, time periods and assumptions separate. Two cases may have the same headline percentage but produce different cash flows once fees, timing, benefit limits or starting balances are accounted for.
This calculator is especially useful when you already have written details about gross potential rent, vacancy, and other income. Enter actual documents where available; if you are considering a proposed change, label hypothetical numbers as hypothetical and compare them with your current arrangement.
How to use this capitalization rate and noi calculator
- Confirm acquisition or current value, financing and verified property expenses.
- Choose appropriate rent, vacancy and turnover assumptions.
- Separate NOI, debt service, reserves and investor cash into distinct lines.
- Run a downside scenario with higher expenses or lower occupancy.
- Check local taxes, insurance and permitted rental-use rules independently.
Calculator inputs explained
- Gross potential rent: The expected income or occupancy assumption. Adjust for unoccupied periods and distinguish gross revenue from what remains after costs.
- Vacancy: The expected income or occupancy assumption. Adjust for unoccupied periods and distinguish gross revenue from what remains after costs.
- Other income: The value labeled “other income” in the underlying document or transaction. Enter its unit, timing and whether it is gross or net of another adjustment.
- Operating expenses: A monetary cost paid now or over time. Specify whether it is already included in another amount to avoid counting it twice.
- Property price: The supported market, insured or transaction value at the relevant date; these valuation types should not be substituted for one another.
Keep all money in one currency and all rates and periods consistent. If you convert an annual amount into a monthly figure, show that conversion. When a required term is unknown, do not silently assume the most favorable outcome.
Formula and calculation method
The model for this specific worksheet is: NOI=effective_gross_income-operating_costs; cap_rate=NOI/valuation.
Normalize rental income and recurring costs to a consistent annual basis, separate operating expenses from debt service and reserves, then distinguish cash flow, net operating income, returns and tax treatment. The tool should retain full internal precision and round displayed currency amounts at the end of each legally or contractually appropriate computation. Show a complete breakdown for users who want to reproduce the result.
Worked example
An NOI of $18,000 divided by a $300,000 property price gives a 6% cap rate. This illustrates the noi, cap rate and implied value model using selected inputs, not a binding outcome. The relevant contractual or reporting record controls any additional conditions, ordering or rounding rules.
For a useful comparison, keep all other inputs fixed and change the specific parameter associated with debt service excluded from noi. That reveals whether the difference comes from the underlying base amount, timing, stated rate, cash charges or limits—not from several unexplained changes at once.
Understanding your results
- Noi: The intermediate or final result labeled “NOI”, calculated using the entered scenario and the explicitly stated methodology.
- Cap rate: A derived metric with a stated numerator and denominator; undefined results must be displayed as N/A, not zero.
- Property valuation at target cap: A derived metric with a stated numerator and denominator; undefined results must be displayed as N/A, not zero.
Review these figures together. Build conservative occupancy and repairs scenarios instead of assuming full rent collection. Compare a financed property with an unlevered one to see how debt affects cash flow without changing property-level NOI. A calculation is more reliable when you can point to the exact input and rule that explains every result.
What can materially change the answer?
The most important constraint for this tool: Exclude debt service and personal tax from conventional NOI. Changes to these terms can alter the result even when the numerical inputs otherwise look similar. If the relevant record does not disclose a necessary restriction, treat the output as a partial scenario rather than a complete financial or coverage assessment.
Common errors to avoid:
- Using scheduled rent as though every month or night will be occupied.
- Subtracting principal-and-interest inside NOI and then using the result for cap rate.
- Failing to budget replacement reserves, transaction costs or cash tied up at purchase.
How reliable is this estimate?
Results are hypothetical property economics. They are not appraisals, guaranteed rents, underwriting approvals, zoning confirmations or individualized tax advice. The calculation does not retrieve live information automatically. The owner should use their own verified documents and check changing rules or annual limits before using the result in a consequential decision. CalculatorGeek's methodology should remain visible alongside the tool results.
Inputs, outputs and result meaning
Calculate effective gross income, conventional property-level NOI, capitalization rate and value at a user-entered target cap rate.
Inputs
- Market and currency
- Changes display currency only; no appraisal or local tax rules are inserted. Available choices are United States (USD), United Kingdom (GBP), Canada (CAD), and Australia (AUD).
- Annual gross potential rent
- Supported units are selected currency.
- Vacancy and collection allowance
- Supported units are percent (%).
- Annual other property income
- Supported units are selected currency.
- Annual recurring operating expenses
- Supported units are selected currency.
- Property price or current value
- Supported units are selected currency.
- Target capitalization rate
- Supported units are percent (%).
Outputs
- Capitalization rate
- This is the primary result. It is displayed in %. The display rule uses up to 2 decimal places.
- Net operating income
- The display rule uses up to 2 decimal places.
- Effective gross income
- The display rule uses up to 2 decimal places.
- Vacancy allowance
- The display rule uses up to 2 decimal places.
- Value at target capitalization rate
- The display rule uses up to 2 decimal places.
- Operating expense ratio
- It is displayed in %. The display rule uses up to 2 decimal places.
calculate property-level NOI before financing and divide it by entered property value for a transparent capitalization rate. Keep the result label, unit, selected mode, and stated limitations together when sharing the answer.
Frequently asked questions
Why is mortgage interest excluded from NOI?
Net operating income excludes financing payments and income taxes, while capitalization rate uses NOI divided by property value or purchase price. Mixing mortgage payments into NOI double-counts financing when you then compare cap rates. Consistent income and operating-cost assumptions matter. An NOI of $18,000 divided by a $300,000 property price gives a 6% cap rate. The relevant source terms determine the actual outcome.
Which numbers should I have before calculating?
Start with gross potential rent, vacancy, and other income. Keep dates, currency and the applicable agreement available. Use the same record version throughout the calculation rather than mixing figures from different renewal periods, statements or offers.
What if my provider, bank or statement shows a different figure?
Compare the eligible base, timing, fees and calculation order first. Exclude debt service and personal tax from conventional NOI. When these rules are not captured by the worksheet, the official record governs.
Can this calculator compare two alternatives?
Yes. Record your starting result, change one specific assumption, and review all outputs rather than only the first number. The tool is designed to help examine debt service excluded from noi, subject to the stated scope of the model.
Related CalculatorGeek reading
Sources and methodology
The calculation is original scenario arithmetic. These resources explain relevant rules or concepts; they do not supply live values for your personal case.