Real Estate · Free Interactive Tool
NOI Calculator
The property’s true operating income.
Your Numbers
The Result
The Operator's Read
NOI of about $65,000. Note it excludes the mortgage on purpose — NOI measures the property, not your financing.
Built by The Crimson Bench · Educational tool, not financial advice
About the NOI Calculator
Enter gross rent, vacancy, and operating expenses to get net operating income — the number every other real-estate metric depends on.
How the NOI Calculator Works
3 inputs in, 2 results out — computed live on your device. Here's exactly what it uses.
| Input | Example value |
|---|---|
| Gross annual rent | $100,000 |
| Vacancy rate | 5% |
| Operating expenses | $30,000 |
Worked Example
Using the example inputs above, the tool returns:
Effective gross income
$95,000
NOI
$65,000
The Operator's Read
NOI of about $65,000. Note it excludes the mortgage on purpose — NOI measures the property, not your financing.
Assumptions & Limitations
- •This is a single-point calculator — it answers one question at a time. For a full time-based projection, use the matching Toolkit Pro simulator.
- •Defaults are illustrative. Replace them with your real numbers before relying on the result.
- •Educational tool only — not financial, investment, tax, or legal advice.
Frequently Asked Questions
What does the NOI Calculator calculate?
Enter gross rent, vacancy, and operating expenses to get net operating income — the number every other real-estate metric depends on. It takes 3 inputs — Gross annual rent, Vacancy rate, Operating expenses — and returns Effective gross income, NOI.
How do I use the NOI Calculator?
Enter your figures in the fields above and the result updates instantly. No signup, no limits, and nothing leaves your browser — the math runs on your device.
Is the NOI Calculator free?
Yes, completely free. For the full time-based simulation — projection tables, scenarios, Excel/PDF export, and AI analysis — see the matching Toolkit Pro simulator.
Who built this tool?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. It uses the exact method they'd apply in an engagement.
Is this financial advice?
No. The NOI Calculator is an educational tool for directional planning — not financial, investment, tax, or legal advice.
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The Crimson Bench · Est. 2002 · Founded in New York City
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