How does the N O I Calculator work?

NOI = Gross Rental Income - Operating Expenses Then: Gross Income = (rent per unit × units × occupancy %) + other income Then: Operating Expenses = property taxes, insurance, utilities, maintenance, property management, etc. Then: NOI excludes debt service, capital expenditures, income taxes.

Can you give an example of how to use the N O I Calculator?

Example: Input Revenue $20k, expenses $10k gives a result of NOI $10k.

Is the N O I Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the N O I Calculator?

Our N O I Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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N O I Calculator

Net Operating Income

Gross Revenue

Operating Expenses

Calculates Net Operating Income subtracting operating expenses from gross rental income. Key metric for property evaluation.

Symbol	Name	Unit	Description
NOI	Gross Rental Income - Operating Expenses	—	Gross Rental Income - Operating Expenses

Difficulty:beginner

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Did You Know?

Stable NOI (not fluctuating) attracts institutional investors; NOI consistency = lower cap rate.

References

›NOI Calculator

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N O I Calculator

Net Operating Income

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