Rental Property Calculator
Calculate ROI, cash flow, cap rate, and NOI for rental properties.
Rental Property Calculator
Calculate ROI, cash flow, cap rate, and NOI for rental properties.
Property Purchase Formula
ℹ️ Does not include property tax, homeowner's insurance, maintenance, or HOA fees
Disclaimer
Results provided by this calculator are for informational and educational purposes only. They are based on the values you enter and standard formulas, and should not be considered financial, medical, legal, or professional advice. Always consult a qualified professional before making important decisions based on these results. Roughtools makes no warranties regarding the accuracy or completeness of these calculations for your specific situation.
Frequently Asked Questions
Pro Tips
Always verify critical calculations with a second method or source — for important decisions, this tool provides a starting point, not a final answer.
Input accuracy determines output accuracy. Use precise values rather than rough estimates for the most useful results.
Run the calculation multiple times with slightly different inputs to understand the sensitivity of the result to your assumptions.
For professional, financial, medical, or legal decisions, always confirm results with a qualified professional before acting.
When to Use This Calculator
Use the Rental Property Calculator for fast, accurate calculations without installing any software.
Understand the formula and see how changing inputs affects the result for educational purposes.
Get a quick estimate before performing more detailed analysis or consulting a professional.
Accessible from any device — no app to install, no account required, works offline after loading.
Run multiple scenarios quickly by changing one input at a time to understand sensitivities.
About the Rental Property Calculator
This rental property calculator analyzes the financial performance of any residential or commercial rental investment, computing monthly cash flow, annual net operating income (NOI), cap rate, cash-on-cash return, and gross rent multiplier. Enter purchase price, financing details, expected rent, and operating expenses to evaluate whether a property meets your investment criteria. Built for real estate investors analyzing potential acquisitions.
How to Use the Rental Property Calculator
- 1
Enter the purchase price and down payment (for financing analysis).
- 2
Enter the mortgage rate and term to calculate monthly debt service.
- 3
Enter monthly gross rent and expected vacancy rate (typically 5–10%).
- 4
Enter monthly operating expenses: taxes, insurance, maintenance, management fees.
- 5
Review monthly cash flow, cap rate, cash-on-cash return, and annual NOI.
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