The ROI calculator shows whether your ads paid off: it works out ROI, ROAS, profit, cost per click and cost per conversion. The second block is a forecast — how many clicks, leads and how much profit a budget will bring at your CPC and conversion rate.
Features
- Actual and forecast on one page: review a past campaign and plan the next one.
- Break-even point: the highest CPC and the lowest conversion rate at which the ads do not lose money.
- Scenarios: what happens to profit if CPC drops by 20% or rises by 20–50%.
- ROI target: how much revenue is missing and what the cost per conversion should be.
- Share link — send the numbers to a colleague or a client.
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Google Ads agency accountsFAQ
How is ROI calculated?
ROI = (revenue − spend) ÷ spend × 100%. With a spend of 1,000 and revenue of 1,500, ROI is 50%.
What is the difference between ROI and ROAS?
ROAS is revenue divided by spend: 1,500 ÷ 1,000 = 150%. ROI counts profit only, so a 100% ROAS means a 0% ROI.
What is a good ROI?
It depends on the niche and margin. Any ROI above zero pays for the ads; for scaling, advertisers usually keep a 30% buffer to survive CPC growth.
More free PPC Rebels tools are on the Free Tools page.