Goal
Estimate effective rental income, operating cash flow, net operating income, cap rate, cash-on-cash return, and debt-service coverage from entered property assumptions.
Rental Property Cash-Flow and Yield Calculator
Estimate effective rental income, operating cash flow, net operating income, cap rate, cash-on-cash return, and debt-service coverage from entered property assumptions.
Key facts
- What it does
- Estimate effective rental income, operating cash flow, net operating income, cap rate, cash-on-cash return, and debt-service coverage from entered property assumptions.
- Formula
Effective gross income = monthly rent × 12 × (1 − vacancy / 100); NOI = effective gross income − operating expenses − capital reserve; cash flow after debt = NOI − annual debt service; cap rate = NOI / purchase price × 100; cash-on-cash return = cash flow after debt / cash invested × 100; DSCR = NOI / annual debt service when debt service is positive.- You enter
- Property purchase price or value · Scheduled monthly rent · Vacancy and collection allowance · Annual operating expenses · Annual capital reserve · Annual debt service · Cash invested
- Worked example
- Effective gross income is 27,360; NOI is 15,960; cash flow after debt is 960; cap rate is 5.32%; cash-on-cash return is 1.20%; DSCR is 1.06.
A clearer path to an answer
From your question to a useful result
This page keeps the calculation transparent: define the goal, enter the matching values, inspect the method, and decide what the result means in your situation.
Inputs
Property purchase price or value · Scheduled monthly rent · Vacancy and collection allowance · Annual operating expenses · Annual capital reserve · Annual debt service · Cash invested
Method
Effective gross income = monthly rent × 12 × (1 − vacancy / 100); NOI = effective gross income − operating expenses − capital reserve; cash flow after debt = NOI − annual debt service; cap rate = NOI / purchase price × 100; cash-on-cash return = cash flow after debt / cash invested × 100; DSCR = NOI / annual debt service when debt service is positive.
Next step
Calculate, review the assumptions below, then compare a related tool when the decision needs more context.
Rental Property Cash-Flow and Yield Calculator
Estimate effective rental income, operating cash flow, net operating income, cap rate, cash-on-cash return, and debt-service coverage from entered property assumptions.
Open the Rental Property Cash-Flow and Yield Calculator pageMore finance tools
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Result
Enter your values above and choose Calculate to see the result here.
Calculation map
Follow the path from input to answer
01
Inputs (7)
- Property purchase price or value Ready
- Scheduled monthly rent Ready
- Vacancy and collection allowance Ready
- Annual operating expenses Ready
- +3 more inputs
02
Formula
Effective gross income = monthly rent × 12 × (1 − vacancy / 100); NOI = effective gross income − operating expenses − capital reserve; cash flow after debt = NOI − annual debt service; cap rate = NOI / purchase price × 100; cash-on-cash return = cash flow after debt / cash invested × 100; DSCR = NOI / annual debt service when debt service is positive.
Bounded, transparent calculation
03
Result
- Calculate to preview the result.
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Formula, assumptions, and example
Formula: Effective gross income = monthly rent × 12 × (1 − vacancy / 100); NOI = effective gross income − operating expenses − capital reserve; cash flow after debt = NOI − annual debt service; cap rate = NOI / purchase price × 100; cash-on-cash return = cash flow after debt / cash invested × 100; DSCR = NOI / annual debt service when debt service is positive.
This first-pass rental scenario separates property operations from financing. It shows how vacancy, operating costs, reserves, and debt service change the result without assuming a country’s tax, depreciation, financing, rent-control, or landlord law.
- Monthly rent is a scheduled amount before vacancy and collection loss.
- Vacancy percentage is an entered planning allowance and is not a market forecast.
- Operating expenses are defined by the visitor and should be kept consistent across properties.
- Capital reserve is shown as a cash-planning deduction even though accounting and tax treatment can differ.
- Annual debt service is principal and interest or another entered financing cost for comparison.
- Cap rate uses purchase price or entered value as the denominator and excludes financing.
- Cash-on-cash return uses the visitor’s cash-invested denominator.
- DSCR is not a lender approval decision and may use a different income and expense definition in practice.
- Taxes, depreciation, appreciation, sale costs, legal compliance, and personal use are outside the model.
Worked example: Effective gross income is 27,360; NOI is 15,960; cash flow after debt is 960; cap rate is 5.32%; cash-on-cash return is 1.20%; DSCR is 1.06.
Displayed input contract
- Property purchase price or value · minimum 0.01 · maximum 1000000000000
- Scheduled monthly rent · minimum 0 · maximum 1000000000
- Vacancy and collection allowance · minimum 0 · maximum 100
- Annual operating expenses · minimum 0 · maximum 1000000000
- Annual capital reserve · minimum 0 · maximum 1000000000
- Annual debt service · minimum 0 · maximum 1000000000
- Cash invested · minimum 0.01 · maximum 1000000000000
The displayed limits are checked before the handler runs. Model-specific domain checks may also reject impossible or non-finite inputs.
Methodology: This calculator follows the WorldCalculate input, formula, precision, and boundary policy. Read the official methodology.
Calculator usage statistics
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Answer-first guide
How to use the Rental Property Cash-Flow and Yield Calculator for a real question
Estimate effective rental income, operating cash flow, net operating income, cap rate, cash-on-cash return, and debt-service coverage from entered property assumptions. Start with one clearly defined goal, enter values in the units shown, and keep the result attached to the assumptions below.
What this answers
This tool is useful when your question includes rental property calculator, rental cash flow, NOI calculator. It returns the outputs declared in the calculator contract rather than a live quote, approval, diagnosis, or professional sign-off.
What you enter
Property purchase price or value · Scheduled monthly rent · Vacancy and collection allowance · Annual operating expenses · Annual capital reserve · Annual debt service · Cash invested. Keep the same time period, unit system, and currency wherever the form requires comparable values.
How to check it
Run the worked example first, compare its output with the page's example, then change one input at a time. This makes an unexpected result easier to trace to a unit, boundary, or assumption.
Three checks before you rely on the answer
- Match the question. Confirm that the result means the quantity you need, not a similar-sounding percentage, balance, rate, or estimate.
- Match the inputs. Use the requested units and period, and read each hint before replacing the example values with your own.
- Read the boundary. Review the assumptions and limits. Monthly rent is a scheduled amount before vacancy and collection loss.
Need a wider view? Browse Finance Calculators or compare the related tools below. The WorldCalculate methodology explains how formulas, examples, limits, and revisions are reviewed.
How to use the Rental Property Cash-Flow and Yield Calculator
- Enter Property purchase price or value (currency units).
- Enter Scheduled monthly rent (currency units/month).
- Enter Vacancy and collection allowance (%).
- Enter Annual operating expenses — Taxes, insurance, maintenance, management, utilities, and similar operating items as you define them. (currency units/year).
- Enter Annual capital reserve (currency units/year).
- Enter Annual debt service (currency units/year).
- Enter Cash invested — Down payment and other cash you want included in the return denominator. (currency units).
- Choose Calculate and read the result panel.
- Use Download PDF or Download Word to save a result sheet.
Formula
Effective gross income = monthly rent × 12 × (1 − vacancy / 100); NOI = effective gross income − operating expenses − capital reserve; cash flow after debt = NOI − annual debt service; cap rate = NOI / purchase price × 100; cash-on-cash return = cash flow after debt / cash invested × 100; DSCR = NOI / annual debt service when debt service is positive.
This first-pass rental scenario separates property operations from financing. It shows how vacancy, operating costs, reserves, and debt service change the result without assuming a country’s tax, depreciation, financing, rent-control, or landlord law.
Worked example
Effective gross income is 27,360; NOI is 15,960; cash flow after debt is 960; cap rate is 5.32%; cash-on-cash return is 1.20%; DSCR is 1.06.
Assumptions and limits
- Monthly rent is a scheduled amount before vacancy and collection loss.
- Vacancy percentage is an entered planning allowance and is not a market forecast.
- Operating expenses are defined by the visitor and should be kept consistent across properties.
- Capital reserve is shown as a cash-planning deduction even though accounting and tax treatment can differ.
- Annual debt service is principal and interest or another entered financing cost for comparison.
- Cap rate uses purchase price or entered value as the denominator and excludes financing.
- Cash-on-cash return uses the visitor’s cash-invested denominator.
- DSCR is not a lender approval decision and may use a different income and expense definition in practice.
- Taxes, depreciation, appreciation, sale costs, legal compliance, and personal use are outside the model.
Who uses this calculator?
- Property owners screening rental scenarios
- Students learning NOI, cap rate, and cash flow
- Investors comparing property assumptions before detailed due diligence
When is it useful?
- Estimate operating income after a vacancy allowance.
- Separate unlevered cap rate from cash flow after debt.
- Compare how reserves and debt service change a rental scenario.
Context and background
How finance calculations fit together
Finance tools compare amounts across time, rates, and definitions. A payment, balance, return, or ratio is meaningful only when its period, cash-flow timing, and units are stated.
Financial planning developed around making cash flows and performance comparable. WorldCalculate keeps that practical tradition visible through explicit formulas and scenario inputs rather than assuming a universal contract.
Research and review
How this guide was researched
Researched by Hassan ALRowaie, Founder and editorial researcher at WorldCalculate.
This guide follows the live calculator's declared inputs, formula, worked example, assumptions, validation boundaries, and source-backed methodology. The review date describes editorial review of the calculator explanation; it is not a promise that external facts or rates remain current.
A rental property can have positive rent and still produce weak cash flow after vacancy, repairs, reserves, and financing. WorldCalculate lays out the operating bridge from scheduled rent to effective income, NOI, debt-adjusted cash flow, cap rate, cash-on-cash return, and DSCR so a visitor can see which assumption controls the answer.
What the rental model is for
This calculator is a screening worksheet. It helps compare an entered scenario before a visitor builds a property-specific budget, reviews documents, or asks a professional to examine the deal.
It does not determine whether a property is a good investment, predict appreciation, certify income, or provide tax advice. The value is in making the operating assumptions visible and editable.
Scheduled rent and effective income
Scheduled monthly rent is multiplied by twelve to create annual scheduled rent. The vacancy and collection allowance then reduces that amount to an effective gross income for the scenario.
A vacancy percentage is not the same as a guaranteed empty period. It is a planning allowance for empty units, late collections, concessions, turnover, or other income leakage that the visitor chooses to include.
Operating expenses and reserves
Operating expenses can include management, maintenance, insurance, property taxes, utilities, advertising, cleaning, and other costs that occur while the property operates. The visitor defines the bundle and should keep a written list.
Capital reserves are shown separately because roofs, HVAC systems, appliances, and other long-lived items do not arrive evenly every month. A reserve is a planning deduction, not a legal or accounting classification.
Net operating income
NOI is effective gross income minus the operating expenses and capital reserve entered on this page. It is an operations measure before annual debt service.
Keeping debt service outside NOI allows a visitor to compare the property’s operating yield with other properties even when financing differs. A lender or analyst may use a different convention, so always name the definition used.
Cap rate and purchase value
Cap rate divides NOI by the purchase price or entered property value. It answers a narrow question: what operating yield does this year’s modeled NOI represent relative to the property value?
Cap rate is sensitive to both numerator and denominator. A low purchase price can make the ratio look stronger, while an optimistic rent or missing expense can inflate NOI. The ratio is not a guaranteed return or a valuation by itself.
Cash flow after debt
Cash flow after debt subtracts annual debt service from NOI. This is closer to a household or investor cash-budget question than cap rate, because financing is now included.
A positive result can still be insufficient if the owner needs to fund taxes, capital projects, personal withdrawals, or reserves that were not entered. A negative result can be temporary or structural; inspect the assumptions before judging it.
Cash-on-cash return
Cash-on-cash return divides annual cash flow after debt by cash invested. The denominator should be defined deliberately: down payment alone, or down payment plus closing costs and initial repairs.
Different denominators make different ratios. The calculator does not infer a down payment from purchase price because the visitor may be comparing a cash purchase, a refinance, a partnership, or a larger acquisition budget.
Debt-service coverage ratio
DSCR divides NOI by annual debt service when debt service is positive. A value above one means the entered NOI exceeds the entered debt service; a value below one means it does not.
Lenders may adjust income, reserves, vacancy, taxes, insurance, and debt definitions. This page reports arithmetic, not underwriting approval, and should not be used to promise financing.
Worldwide property context
Rental expenses, registration, deposits, rent controls, insurance, financing, and taxes vary widely by country and city. The page uses generic currency units and asks the visitor to enter local assumptions.
For a cross-border comparison, preserve the currency, measurement period, ownership share, and expense definition. A rate calculated in one market should not be compared with another without making those differences explicit.
A careful due-diligence workflow
Start with actual leases, rent rolls, utility bills, insurance quotes, tax statements, maintenance history, debt terms, and expected reserves. Replace illustrative defaults with evidence and record the date of each input.
Then run downside cases: higher vacancy, lower rent, one large repair, higher insurance, and a financing change. A useful screening model is not the one with the prettiest base case; it is the one that reveals where the result breaks.
History and the operating-versus-financing distinction
Real-estate analysis developed several ratios because one total return number hides too many decisions. NOI and cap rate describe operations and value; cash flow and cash-on-cash add financing and invested cash; DSCR focuses on debt coverage.
Those measures remain useful when their boundaries are respected. WorldCalculate presents them together so a visitor can ask a more precise question instead of calling every percentage a return.
Frequently asked questions
What is the Rental Property Cash-Flow and Yield Calculator?
Estimate effective rental income, operating cash flow, net operating income, cap rate, cash-on-cash return, and debt-service coverage from entered property assumptions.
What is the formula for the Rental Property Cash-Flow and Yield Calculator?
Effective gross income = monthly rent × 12 × (1 − vacancy / 100); NOI = effective gross income − operating expenses − capital reserve; cash flow after debt = NOI − annual debt service; cap rate = NOI / purchase price × 100; cash-on-cash return = cash flow after debt / cash invested × 100; DSCR = NOI / annual debt service when debt service is positive. This first-pass rental scenario separates property operations from financing. It shows how vacancy, operating costs, reserves, and debt service change the result without assuming a country’s tax, depreciation, financing, rent-control, or landlord law.
What do I need to use this calculator?
Enter Property purchase price or value, Scheduled monthly rent, Vacancy and collection allowance, Annual operating expenses, Annual capital reserve, Annual debt service, Cash invested, then choose Calculate.
What are the limits of this calculator?
Monthly rent is a scheduled amount before vacancy and collection loss. Vacancy percentage is an entered planning allowance and is not a market forecast. Operating expenses are defined by the visitor and should be kept consistent across properties. Capital reserve is shown as a cash-planning deduction even though accounting and tax treatment can differ. Annual debt service is principal and interest or another entered financing cost for comparison. Cap rate uses purchase price or entered value as the denominator and excludes financing. Cash-on-cash return uses the visitor’s cash-invested denominator. DSCR is not a lender approval decision and may use a different income and expense definition in practice. Taxes, depreciation, appreciation, sale costs, legal compliance, and personal use are outside the model.
Methodology
This calculator is part of the WorldCalculate library. Its formula, example, assumptions, input bounds, and output formatting follow the official methodology.
Use this calculator as part of a bigger plan
These WorldCalculate collections connect this tool with related questions while keeping each calculation separate and transparent.