Real Estate Calculator
Underwrite a rental in one screen: net operating income, cap rate, and cash-on-cash return from realistic inputs.
Monthly cash flow
-$94.09
- Net operating income
- $19,828.00
- Cap rate
- 5.67%
- Cash-on-cash return
- -1.29%
- 1% rule check
- Below 1% rule
How the Real Estate Calculator works
The calculation follows the standard method used across the US — no shortcuts, no hidden assumptions. Here is exactly what happens behind the scenes:
Formula
NOI = GSI×(1−vacancy) − OpEx; Cap = NOI ÷ Price
Frequently Asked Questions
How does the Real Estate Calculator work?
Enter your numbers above and results update instantly using standard formulas, computed entirely on your device.
Is the Real Estate Calculator free to use?
Yes — completely free with no signup required, and it works on phones, tablets, and desktops.
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