ROI Calculator

Return on Investment, usually abbreviated as ROI, is a common, widespread metric used to evaluate the forecasted profitability on different investments. Before any serious investment opportunities are even considered, ROI is a solid base from which to go forth.

The formula is: ROI = (Gain from investment – Cost of Investment) / Cost of Investment

If you gained this much value from your ad campaign:
And you spent this much on your ad campaign:
Your ROI is:
100