NOI Calculator

Calculate Net Operating Income from rental income and operating expenses. Use this free browser-based noi calculator from XTRAW Tools.

NOI Calculator helps you calculate Net Operating Income from rental income and operating expenses. Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step.

How to Use the NOI Calculator

Enter the required calculator inputs shown in the form.
Review the revenue, customer, expense, property, rent, debt-service, or operating assumptions.
Run the calculator, then adjust one input at a time to compare scenarios or check your estimate.

What This Calculator Helps With

Calculate Net Operating Income from rental income and operating expenses. It is designed for founders, marketers, analysts, agencies, operators, investors, property managers, real estate investors, and small business owners who want a fast, browser-based estimate before relying on a spreadsheet, accounting system, analytics dashboard, lender, investor model, property manager, or professional source.

Gross Annual Rental Income: $36,000
Vacancy Rate: 5%
Annual Operating Expenses: $8,000

Common Uses

People use this calculator when they need a quick way to evaluate business metrics, SaaS performance, operating runway, profitability, rental property returns, or real estate investment assumptions.

Budgeting: Review revenue, expenses, cash flow, property performance, customer metrics, or financial assumptions before allocating money.
Project Planning: Compare operating, SaaS, business, or property scenarios before making planning decisions.
Mortgage: Compare rental property financing and debt-service assumptions before relying on lender or investor numbers.

Formula or Method

NOI = Gross Rent × (1 − Vacancy Rate) − Operating Expenses.

Example

Example inputs: Gross Annual Rental Income: $36,000; Vacancy Rate: 5%; Annual Operating Expenses: $8,000

Example result: Using the default inputs, NOI is $26,200.

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NOI Calculator FAQ

Is the NOI Calculator free?

Yes. This calculator is free to use on XTRAW Tools.

Do I need to create an account?

No. XTRAW tools are designed for browser-based use without requiring an account.

Are the results exact?

Results may be estimates depending on the inputs, formula, rounding, definitions, and purpose of the calculator. Always verify important results before relying on them.

Disclaimer: This calculator is provided for general informational, educational, and convenience purposes only. It is not legal, financial, tax, accounting, investment, real estate, lending, underwriting, analytics, marketing-strategy, or professional advice. Always verify important results with a qualified professional, your accounting records, analytics platform, lender, property manager, or authoritative source before making decisions.