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ROI Calculator
Free ROI calculator for businesses and marketers. Enter your total investment and return to instantly calculate ROI percentage, annualised ROI, net profit or loss, and payback period. Works for any investment, marketing campaign, or business decision.
Initial cost or spend
Revenue, value, or savings generated
Enter your investment amount and return to calculate ROI.
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Frequently Asked Questions
What is ROI and how is it calculated?
ROI (Return on Investment) = (Net Return divided by Total Investment) x 100. Net return is the total return minus the original investment. For example, if you invest £10,000 and get back £14,000, the net return is £4,000 and the ROI is 40%.
What is a good ROI for a business investment?
There is no universal benchmark as it depends heavily on the type of investment and industry. Most businesses target at least 10 to 15% ROI as a minimum threshold. Marketing investments often target 3:1 to 5:1 returns (300 to 500% ROI).
What is the difference between ROI and payback period?
ROI measures the total return as a percentage of the investment. Payback period measures how long it takes to recover the initial investment. Both are useful: high ROI is good, but a very long payback period may mean the cash is tied up too long.
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