2026-09-21 7 min read

Retail Property Calculator

The full deal analysis — cash flow, cap rate, cash-on-cash, DSCR and the return at exit for a commercial property. Live calculator with worked steps and charts.

Calculator

Purchase Price Help

The price you pay, before closing costs.

Number of Units(units)

units

Down Payment(%) Help

Investment loans typically require 20–30% down.

Interest Rate(%)

Loan Term(years)

years

Repair / Rehab Budget

Monthly Rent Help

Gross scheduled rent before vacancy.

Vacancy & Credit Loss(%) Help

Share of scheduled rent lost to turnover and non-payment.

Property Tax (Annual)

Insurance (Annual)

Maintenance & Repairs(%) Help

Share of effective income budgeted for repairs.

Property Management(%) Help

Share of collected rent charged by the manager.

Annual Appreciation(%)

Holding Period(years)

years

Selling Costs(%) Help

Commission plus closing costs, as a share of sale price.

Discount Rate / Target Return(%) Help

The annual return you require to tie up cash.

Advanced options (9)

Closing Costs

Other Monthly Income Help

Laundry, parking, storage, late fees, pet rent.

Utilities (Annual, Landlord-Paid)

Other Expenses (Annual)

Rent Growth(%)

Marginal Tax Rate(%)

Building Share of Price(%) Help

The non-depreciable land keeps the rest.

Depreciation Period(years)

First Payment Date

This commercial property calculator runs on a full rental pro-forma: rent is annualised and reduced by vacancy, every operating expense is itemised to reach NOI, and the loan amortises monthly at the rate entered. Results update live as you type.

Amortization schedule

Balance Interest Payment

View:

Year	Interest	Principal	Ending Balance
1	$78,039.59	$11,377.07	$1,108,622.93
2	$77,217.14	$12,199.52	$1,096,423.41
3	$76,335.23	$13,081.42	$1,083,341.99
4	$75,389.57	$14,027.08	$1,069,314.91
5	$74,375.56	$15,041.10	$1,054,273.81
6	$73,288.23	$16,128.42	$1,038,145.38
7	$72,122.31	$17,294.35	$1,020,851.04
8	$70,872.10	$18,544.56	$1,002,306.48
9	$69,531.51	$19,885.14	$982,421.34
10	$68,094.01	$21,322.64	$961,098.69
11	$66,552.60	$22,864.06	$938,234.64
12	$64,899.75	$24,516.90	$913,717.73
13	$63,127.42	$26,289.23	$887,428.50
14	$61,226.97	$28,189.68	$859,238.82
15	$59,189.14	$30,227.52	$829,011.30
16	$57,003.99	$32,412.67	$796,598.63
17	$54,660.87	$34,755.78	$761,842.85
18	$52,148.38	$37,268.28	$724,574.57
19	$49,454.25	$39,962.41	$684,612.17
20	$46,565.36	$42,851.29	$641,760.88
21	$43,467.64	$45,949.01	$595,811.86
22	$40,145.98	$49,270.67	$546,541.19
23	$36,584.20	$52,832.45	$493,708.74
24	$32,764.94	$56,651.72	$437,057.02
25	$28,669.58	$60,747.07	$376,309.95
26	$24,278.17	$65,138.48	$311,171.46
27	$19,569.30	$69,847.35	$241,324.11
28	$14,520.03	$74,896.62	$166,427.49
29	$9,105.75	$80,310.90	$86,116.59
30	$3,300.07	$86,116.59	$0.00

Results

Optimal

Annual Cash Flow

$404

About $33.70 per month after every expense and the mortgage.

Cap Rate

5.61%

In line with most rental markets

Cash-on-Cash Return

0.08%

Low — the deal is close to break-even

Net Operating Income

$89,821

Cash Needed to Close

$494,000

Down payment plus closing costs and the repair budget.

Debt Service Coverage

1.00x

Thin coverage — little margin for error

Monthly Payment

$7,451

Loan-to-Value

70.00%

Gross Rent Multiplier

—

Price ÷ gross annual rent.

Operating Expense Ratio

17.06%

Break-Even Occupancy

94.65%

IRR at Exit

1000.00%

Over the 10-year hold including the sale.

Equity Multiple

2.10x

Total distributions ÷ cash invested.

Total Return on Cash

109.95%

Total Profit

$543,144

Cash flow plus sale proceeds, less the cash invested.

Live results update as you type — currently showing annual cash flow of $404. Replace the defaults with your own rent roll, tax bill and insurance quote for an exact comparison.

Visualizations

Annual Cash Flow Over the Hold

404Y1

-150Y2

-721Y3

-1,309Y4

-1,915Y5

-2,539Y6

-3,182Y7

-3,843Y8

-4,525Y9

-5,228Y10

Where the Effective Income Goes

Operating expenses16%

Vacancy & credit5%

Debt service78%

Cash flow0%

Equity Buildup Over the Hold

Cap Rate

5.6%

015

Formula

The capitalisation rate is the unlevered, first-year yield of the income stream. Re-arranged, it prices any property: divide your NOI by the cap rate the market pays for that asset type.

Cap rate = NOI ÷ Property value × 100

Alternative Form

Value = NOI ÷ Cap rate

Variables

Symbol	Name	Unit	Description
NOI	NOI	$/yr	Income after operating expenses, before debt
V	Value	$	Price paid or current market value
R	Cap rate	%	Market yield for comparable properties

Explanation

Retail income depends on tenant sales and lease structure: NNN leases shift costs to tenants, but the rent is only as durable as the tenant’s business at that location.

Derivation

Cap rate is the reciprocal of the income multiple: a 5% cap is a 20× multiple of NOI. It excludes financing, so it measures the property, not your deal structure.

Step-by-Step Calculation

Follow each step to understand how the result is calculated from your inputs.

Step 1

Size the loan from the purchase price and the down payment.

Loan = price × (1 − down payment %)

Purchase price:$1,600,000

Down payment:30.00%

Intermediate: $1,600,000 × (1 − 0.3)

Result: $1,120,000 loan, $480,000 down

Step 2

Amortise the loan to find the monthly payment and annual debt service.

P = L × i ÷ (1 − (1 + i)^−n)

Loan:$1,120,000

Rate:7.00%

Term:30 years

Intermediate: i = 0.005833333333333334 per month, n = 360 payments

Result: $7,451.39/month ($89,417/year)

Step 3

Annualise the rent and deduct vacancy and credit loss.

EGI = (rent × 12 + other income) × (1 − vacancy %)

Monthly rent:$0.00

Vacancy:5.00%

Intermediate: $114,000 − $5,700

Result: $108,300 effective gross income

Step 4

Subtract every operating expense to reach net operating income.

NOI = EGI − taxes − insurance − maintenance − management − utilities − other

Effective income:$108,300

Operating expenses:$18,479

Intermediate: $108,300 − $18,479

Result: $89,821 NOI

Step 5

Compute cash flow, cash-on-cash and cap rate from the figures above.

Cash flow = NOI − debt service; Cash-on-cash = cash flow ÷ cash invested; Cap rate = NOI ÷ price

NOI:$89,821

Debt service:$89,417

Cash invested:$494,000

Intermediate: Cash flow = $404 cash flow, 0.08% return on cash

Result: $404 cash flow, 0.08% return on cash

Final Answer

$404

Worked Examples

See how the calculator works with different scenarios.

Scenario

The retail property calculator run on the values above, showing the full calculation path rather than only the answer.

Inputs

Price:1600000

Rent Monthly:0

Down Payment Pct:30

Rate:7

Calculation

1. Size the loan from the purchase price and the down payment. → $1,120,000 loan, $480,000 down 2. Amortise the loan to find the monthly payment and annual debt service. → $7,451.39/month ($89,417/year) 3. Annualise the rent and deduct vacancy and credit loss. → $108,300 effective gross income 4. Subtract every operating expense to reach net operating income. → $89,821 NOI 5. Compute cash flow, cash-on-cash and cap rate from the figures above. → $404 cash flow, 0.08% return on cash

Result

Annual Cash Flow: $404

Interpretation

NOI $89,821 on $1,600,000 (5.61% cap); debt $89,417 leaves $404 of annual cash flow and 0.08% on $494,000 invested. DSCR 1.00x. Projected 1000.00% IRR over a 10-year hold.

Understanding Your Result

Your Result: Annual Cash Flow: $404

Typical range: A rental that clears $494,000 of cash typically targets a 5–8% cap rate and an 8%+ cash-on-cash return; this one models at 5.61% and 0.08%.

What This Means

Retail income depends on tenant sales and lease structure: NNN leases shift costs to tenants, but the rent is only as durable as the tenant’s business at that location.

Why It Matters

NOI $89,821 on $1,600,000 (5.61% cap); debt $89,417 leaves $404 of annual cash flow and 0.08% on $494,000 invested. DSCR 1.00x. Projected 1000.00% IRR over a 10-year hold.

Professional Interpretation

NOI $89,821 on $1,600,000 (5.61% cap); debt $89,417 leaves $404 of annual cash flow and 0.08% on $494,000 invested. DSCR 1.00x. Projected 1000.00% IRR over a 10-year hold.

How this is calculated

The capitalisation rate is the unlevered, first-year yield of the income stream. Re-arranged, it prices any property: divide your NOI by the cap rate the market pays for that asset type.

What drives the result

The pro-forma method: annualise the rent, deduct vacancy to reach effective gross income, subtract operating expenses to reach net operating income, then subtract debt service to reach cash flow. Each layer answers a different question — value (cap rate), lender safety (DSCR) and investor return (cash-on-cash).

Recommendations

•Stress the rent 5% lower and vacancy 5% higher; if the deal still pays, it will survive a soft year.
•Value the property on NOI, not on the listing price or the tax assessment.
•Get an insurance quote and a current tax assessment before trusting the cash flow — both often rise after purchase.

Educational Content

Introduction

Rental analysis starts with one year of operations: scheduled rent, vacancy and credit loss, every operating expense, and the debt payment. NOI is what remains for the owner; everything else — cap rate, cash flow, DSCR, cash-on-cash — is NOI viewed from a different angle.

Concept Explanation

Applications

▸Screening a listing against your price and return requirements in minutes

▸Comparing two or three candidate properties on the same pro-forma assumptions

▸Preparing a lender-ready one-year operating statement for a loan request

▸Setting rents and budgeting expenses for a property you already own

Benefits

•One consistent model across every property, so comparisons are fair
•Forces every expense to be named and budgeted rather than ignored
•Separates the property’s performance from the financing around it

Limitations

•A one-year pro-forma cannot capture capital expenditures that arrive in lumps — roofs, systems and exteriors need their own reserve
•Actual vacancy and expense ratios vary by market and management quality; a single assumption hides that spread
•The model assumes the rent roll is at market; in-place rents below market flatter the deal

Best Practices

•Build the pro-forma from your own quotes — insurance, taxes and management — not the seller’s summary
•Stress the deal: rent down 5%, vacancy up 5% — if it still pays, it will survive a soft year
•Fund a capital-expenditure reserve of about 5% of rent before calling any cash flow "positive"

Common Misconceptions

Myth: NOI is the profit the owner pockets.

Truth: NOI comes before the mortgage payment; only cash flow (NOI − debt service) reaches the owner’s bank account.

Myth: A property with positive cash flow is always a good deal.

Truth: Positive cash flow on an overpriced building can still be a worse investment than the same cash in an index fund — compare returns, not just sign.

Myth: Operating expenses are optional line items.

Truth: Vacancy, maintenance and management are real costs even when self-managed; underwriting them at zero inflates the price you can justify.

Practical Tips

•Pull the market cap rate from recent sales of the same property type in the same submarket
•Use the cap-rate valuation (NOI ÷ market cap) to set offers independently of the asking price

Common Mistakes

Comparing a gross cap rate to a net one.

Some listings quote rent-based "caps"; rebuild NOI yourself before comparing.

Forgetting cap rate excludes leverage.

A 6% cap deal can out- or under-perform a 5% cap deal depending entirely on the debt terms.

Assumptions

This calculator makes the following assumptions to provide estimates:

Stabilised income: NOI reflects a normal operating year, not lease-up or renovation.

Limitations

Be aware of these limitations when using this calculator:

Limitation: A one-year pro-forma cannot capture capital expenditures that arrive in lumps — roofs, systems and exteriors need their own reserve

Limitation: Actual vacancy and expense ratios vary by market and management quality; a single assumption hides that spread

Limitation: The model assumes the rent roll is at market; in-place rents below market flatter the deal

Frequently Asked Questions

Answers to common questions about this calculator.

Are NNN cap rates directly comparable?

Only between similar tenant credits and locations; a headline NNN cap rate with a weak tenant is a lease-up risk, not income.

Who uses the retail property calculator?

It is used by rental investors screening and pricing deals, by owner-operators budgeting expenses and rents, and by agents, lenders and advisers sanity-checking the numbers before money moves. It sits in the Commercial & Multifamily group of the Real Estate Investing section of Atlascalcs.

How accurate is the retail property calculator?

Every figure follows from the inputs using standard property underwriting mathematics, so it is accurate to the quality of the values you enter. Lenders, appraisers and tax assessors each apply their own adjustments, so expect small differences against formal documents.

Do I need to sign up or pay to use this calculator?

No. Every Atlascalcs calculator is free, runs entirely in your browser and never asks for an account. Nothing you enter is uploaded or stored.

Can I use these numbers in a formal valuation or loan application?

The calculator is an underwriting aid, not an appraisal or a lender offer. Lenders and appraisers apply their own adjustments, so treat the output as a disciplined estimate to bring to those conversations.

How do I choose realistic inputs?

Pull rent from comparable leases, property tax from the current assessment, insurance from a quote, and management and maintenance from what operators in your market actually pay. Seller pro-formas are marketing documents.

Related Calculators

Explore more calculators related to this topic.

Related Guides

Deepen your understanding with these educational resources.

Rental property cash flow guide

How the pro-forma layers build from rent to cash flow, and where deals usually hide problems.

Cap rate, DSCR and return metrics explained

Which metric answers which question, and why none of them should be read alone.

Financing an investment property

Down payments, rate premiums and how lenders size income-property loans.

Glossary

Technical terms used in mortgage calculations explained in plain language.

Net Operating Income (NOI): Effective gross income minus operating expenses, before debt service and income tax. The core measure of a property’s earning power.
Capitalisation Rate: NOI divided by price or value — the unlevered yield the income stream offers at today’s price.
Pro-Forma: A forward-looking operating statement projecting income and expenses, as opposed to the historical statement.

Authoritative References

Trusted sources and standards referenced by this calculator.

Consumer Financial Protection Bureau — Owning a home Federal Reserve — Commercial bank mortgage rates (H.8) U.S. Census Bureau — Rental housing data HUD — Fair market rents IRS — Publication 527, Residential Rental Property IRS — MACRS depreciation of real property

Applicable Standards

Level-payment amortisation, payments assumed in arrearsIncome and expenses annualised; percentages entered as annual ratesStraight-line depreciation per IRC §168 recovery periodsMoney rounded for display only; all calculations run at full precision

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Last Updated:

2026-09-21

Version:

2.0.0

References:

License:

Free to use for educational and professional purposes.