AtlasCalcsUtility Calculation Suite
2026-09-21 7 min read

Rental Property Break-Even Calculator

The rent and occupancy at which the property exactly covers its costs for a rental property. Live calculator with worked steps and charts.

Calculator

Purchase Price Help
$

The price you pay, before closing costs.

Down Payment(%) Help
%

Investment loans typically require 20–30% down.

Interest Rate(%)
%
Loan Term(years)
years
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.

Advanced options (3)
Other Monthly Income Help
$

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

Utilities (Annual, Landlord-Paid)
$
Other Expenses (Annual)
$

This rental 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:
YearInterestPrincipalEnding Balance
1$15,677.60$2,285.57$222,714.43
2$15,512.37$2,450.80$220,263.63
3$15,335.20$2,627.96$217,635.67
4$15,145.23$2,817.94$214,817.73
5$14,941.52$3,021.65$211,796.08
6$14,723.08$3,240.08$208,555.99
7$14,488.86$3,474.31$205,081.68
8$14,237.70$3,725.47$201,356.21
9$13,968.38$3,994.78$197,361.43
10$13,679.60$4,283.57$193,077.86
11$13,369.94$4,593.23$188,484.64
12$13,037.90$4,925.27$183,559.37
13$12,681.85$5,281.32$178,278.05
14$12,300.06$5,663.11$172,614.94
15$11,890.68$6,072.49$166,542.45
16$11,451.69$6,511.47$160,030.98
17$10,980.98$6,982.19$153,048.79
18$10,476.24$7,486.93$145,561.86
19$9,935.01$8,028.16$137,533.69
20$9,354.65$8,608.52$128,925.18
21$8,732.34$9,230.83$119,694.35
22$8,065.04$9,898.13$109,796.22
23$7,349.50$10,613.66$99,182.56
24$6,582.24$11,380.93$87,801.63
25$5,759.51$12,203.65$75,597.98
26$4,877.31$13,085.86$62,512.12
27$3,931.33$14,031.83$48,480.29
28$2,916.97$15,046.20$33,434.09
29$1,829.28$16,133.89$17,300.21
30$662.96$17,300.21$0.00

Results

Optimal

Break-Even Monthly Rent

$2,185

The rent that exactly covers expenses and the mortgage.

Break-Even Occupancy

84.03%

Annual Cash Required

$26,216

Operating Expenses

$8,253

Annual Debt Service

$17,963

Current Scheduled Rent

$2,600

Rent Cushion

16.0%

How far market rent can fall before the deal breaks even.

Break-Even Price

$367,746

What you could pay and still break even at this cap rate.

Live results update as you type — currently showing break-even monthly rent of $2,185. Replace the defaults with your own rent roll, tax bill and insurance quote for an exact comparison.

Visualizations

Required Cash vs Income

26,216Expenses + debt
29,640Effective income
3,424Surplus / (shortfall)

Loan Balance Over the Term

Break-Even Occupancy

84%
50110

Formula

The break-even analysis solves for the rent or the occupancy at which the property exactly covers its costs — the margin of safety every other metric is measured against.

Break-even rent = (Operating expenses + Debt service) ÷ 12

Alternative Form

Break-even occupancy = (OpEx + Debt service) ÷ Gross scheduled income

Variables

SymbolNameUnitDescription
OpExOpEx$/yrTotal operating costs
DSDebt service$/yrAnnual debt service
BERBreak-even rent$/moThe rent that covers everything

Explanation

Below the break-even rent, every vacant month or rent cut digs a hole; above it, the deal has a cushion. The gap between market rent and break-even rent is your true margin for error.

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:$300,000
Down payment:25.00%
Intermediate: $300,000 × (1 − 0.25)
Result: $225,000 loan, $75,000 down
Step 2

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

P = L × i ÷ (1 − (1 + i)^−n)
Loan:$225,000
Rate:7.00%
Term:30 years
Intermediate: i = 0.005833333333333334 per month, n = 360 payments
Result: $1,496.93/month ($17,963/year)
Step 3

Annualise the rent and deduct vacancy and credit loss.

EGI = (rent × 12 + other income) × (1 − vacancy %)
Monthly rent:$2,600.00
Vacancy:5.00%
Intermediate: $31,200 − $1,560
Result: $29,640 effective gross income
Step 4

Subtract every operating expense to reach net operating income.

NOI = EGI − taxes − insurance − maintenance − management − utilities − other
Effective income:$29,640
Operating expenses:$8,253
Intermediate: $29,640 − $8,253
Result: $21,387 NOI
Step 5

Compute break-even from the figures above.

Break-even rent = (operating expenses + debt service) ÷ 12
NOI:$21,387
Debt service:$17,963
Cash invested:$75,000
Intermediate: Break-even rent = $2,185 a month
Result: $2,185 a month
Final Answer
$2,185

Worked Examples

See how the calculator works with different scenarios.

Scenario

The rental property break-even calculator run on the values above, showing the full calculation path rather than only the answer.

Inputs

Price:300000
Rent Monthly:2600
Down Payment Pct:25
Rate:7

Calculation

1. Size the loan from the purchase price and the down payment. → $225,000 loan, $75,000 down 2. Amortise the loan to find the monthly payment and annual debt service. → $1,496.93/month ($17,963/year) 3. Annualise the rent and deduct vacancy and credit loss. → $29,640 effective gross income 4. Subtract every operating expense to reach net operating income. → $21,387 NOI 5. Compute break-even from the figures above. → $2,185 a month

Result

Break-Even Monthly Rent: $2,185

Interpretation

The property needs $26,216 a year ($2,184.70 a month) to break even; at $2,600.00 of scheduled rent that is 84.03% occupancy.

Understanding Your Result

Your Result: Break-Even Monthly Rent: $2,185

Typical range: Break-even occupancy below 90% is comfortable, 90–100% is a marginal deal, and above 100% means the property cannot cover its costs even at full occupancy.

What This Means

Below the break-even rent, every vacant month or rent cut digs a hole; above it, the deal has a cushion. The gap between market rent and break-even rent is your true margin for error.

Why It Matters

The property needs $26,216 a year ($2,184.70 a month) to break even; at $2,600.00 of scheduled rent that is 84.03% occupancy.

Professional Interpretation

The property needs $26,216 a year ($2,184.70 a month) to break even; at $2,600.00 of scheduled rent that is 84.03% occupancy.

How this is calculated

The break-even analysis solves for the rent or the occupancy at which the property exactly covers its costs — the margin of safety every other metric is measured against.

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

  • •The break-even rent is the number to negotiate against: if market rent sits above it, the deal has a margin for error.
  • •Re-run it after any refinance or insurance change — both move the break-even point directly.

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

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).

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

  • •Express the cushion as a percentage of rent — a 10% cushion survives one bad event a year, a 2% cushion does not
  • •Recompute after any rate, tax or insurance change; all three move break-even directly

Common Mistakes

Breaking even on the mortgage payment only.
Forgetting operating expenses makes break-even look far lower than it is.

Assumptions

This calculator makes the following assumptions to provide estimates:

Constant costs: Expenses and debt service are held level through the year.

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.

What is a safe break-even occupancy?
Below 85% is comfortable, 85–92% is workable, and above 100% the property cannot cover its costs even when full.
Who uses the rental property break-even 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 Rental Property group of the Real Estate Investing section of Atlascalcs.
How accurate is the rental property break-even 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.

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Related Guides

Deepen your understanding with these educational resources.

Glossary

Technical terms used in mortgage calculations explained in plain language.

Break-Even Occupancy
The occupancy at which collected rent exactly covers operating expenses plus debt service.
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.
Vacancy and Credit Loss
The share of scheduled rent never collected, from turnover, downtime and non-payment.

Authoritative References

Trusted sources and standards referenced by this calculator.

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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Page Information

Last Updated:

2026-09-21

Version:

2.0.0

License:

Free to use for educational and professional purposes.