Net operating income calculator

Net operating income = operating revenue − operating expenses.

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Annual operating revenue

Annual operating expenses

Answer

…

Net operating income = operating revenue − operating expenses.

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Precision and calculation record

Decimal places in numeric results and text downloads

Rounding changes displayed numbers, not the calculation. Text, fractions, matrices and CSV schedules keep their own formatting. Automatic keeps up to 12 significant digits, with money shown to cents where applicable.

Step-by-step calculation

Inputs are substituted below. Each line evaluates the next operation; intermediate values are displayed to 12 significant digits while the calculation uses full precision.

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Formula and assumptions

For property analysis, exclude debt service, capital expenditures, depreciation and income tax from operating expenses under this definition.

Automatic precision shows money to two decimal places and other numbers to 12 significant digits. Thousands separators such as 1,000 are accepted; use a dot for decimals.

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Updated 2026-09-26

Using Net operating income calculator

Net operating income = operating revenue − operating expenses.

For property analysis, exclude debt service, capital expenditures, depreciation and income tax from operating expenses under this definition.

Next: Price per square foot calculator

A worked example

With annual operating revenue = 50000, annual operating expenses = 20000, the net operating income is 30,000.00 (rounded to two decimal places).

Next: Cap rate calculator

Before you use the result

For property analysis, exclude debt service, capital expenditures, depreciation and income tax from operating expenses under this definition. Calculations keep full browser-number precision. Money amounts are displayed to two decimal places; other results use up to 12 significant digits. Very large values may lose precision.

Example results for annual operating revenue

These examples use Annual operating expenses: 20000. They are reference calculations, not recommended settings.

Annual operating revenue	Net operating income
25000	5,000.00
50000	30,000.00
100000	80,000.00

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