Know If a Rental Property Makes Money Before You Buy.

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These are sample numbers — update them to match your property and see your real return instantly.
Property Details
$
%
$65,000.00
$

Estimated — edit if you have exact figures

Financing
$260,000.00
%
$1,729.79

Cash purchase? Set down payment to 100% and this section won't affect your numbers.

Income
$
$
%

Typical: 5–8%

Operating Expenses (monthly)
$
$
%

% of rent, or enter $ below

$
%

% of rent — typical reserve

$
$
Results
Gross monthly income$2,090.00
Total monthly operating expenses$676.00
NOI (monthly)$1,414.00
NOI (annual)$16,968.00
Monthly cash flow-$315.79
Annual cash flow-$3,789.44
Total cash needed$74,750.00
Cap Rate
5.2%
Cash-on-Cash Return
-5.1%

This is an estimate for screening purposes only. Actual returns depend on market conditions, financing terms, and property-specific factors. Consult a financial advisor before investing.

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How it works

1

Enter the deal

Purchase price, down payment, financing, rent, and expenses.

2

See the numbers instantly

Cap rate, cash-on-cash return, and monthly cash flow, calculated as you type.

3

Download and decide

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Frequently asked questions

Field ROI is a free rental property ROI calculator for real estate investors. Calculate cap rate, cash-on-cash return, monthly cash flow, and net operating income instantly — enter the purchase price, financing terms, rental income, and operating expenses to see whether a deal works. Download a clean PDF analysis with no signup required. Unlock 5-year cash flow projections and custom branding for $29 one-time. Built by ActiveEngine, the studio behind Field Net, Field Invoice, and Field Estimate — pairs with Field Net for the complete buy-side and sell-side analysis.