About the Net Operating Income Calculator
Net operating income (NOI) of an income property: gross rent minus vacancy and operating expenses (excluding debt).
Also known as: noi calculator, net operating income, property noi.
How to use this calculator
- Enter gross rental income (annual), vacancy & credit loss, other income, operating expenses.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
NOI = gross income − vacancy + other income − operating expenses
Worked example
Using the values pre-filled in the calculator above:
- Gross rental income (annual) = 60,000
- Vacancy & credit loss = 5 %
- Other income = 2,000
- Operating expenses = 19,000
the calculator returns:
- NOI: 40,000
- Effective gross income: 59,000
- NOI margin: 67.8%