Calculate rental property return on investment, net yield, and payback period instantly.
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Gross Rental Yield
Net Yield
Annual Cash Flow
Payback Period
Cash-on-Cash
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The ROI (Return on Investment) Calculator helps you measure how efficiently an investment generates profit relative to its cost. Whether you are evaluating a property purchase, a marketing campaign, a stock investment, or a business acquisition, ROI gives you a single percentage figure that makes it easy to compare opportunities side by side.
ROI is calculated as (Net Profit / Cost of Investment) × 100. A positive ROI means you made more than you spent; a negative ROI means you lost money. The annualised ROI variant lets you compare investments held for different time periods on an equal footing.
For property investors, combine this with the Loan Calculator to see how mortgage costs affect your overall return, and the VAT Calculator for stamp duty and purchase cost calculations.
Enter the initial investment amount (the total capital you deployed - purchase price, fees, improvements), the final value or total return (sale price, dividends received, or cumulative revenue), and optionally the investment duration in months or years for annualised ROI.
The calculator instantly shows your total return, net profit, ROI percentage, and annualised ROI. Use the scenario comparison to model best-case and worst-case outcomes before committing capital.