3 free PPC & CRO tools
Plan a clean Google Ads account structure, work out the return on ad spend you need to stay profitable and check whether a test result is real before you act on it.
Plan ad groups, keywords, responsive search ads and negatives, then export a bulk upload CSV for Google Ads Editor.
Work out break-even ROAS from your margins, then model revenue and net profit at any ad spend.
Check whether an A/B test result is statistically significant, with confidence level, uplift and p-value.
Paid search punishes guesswork. A muddled account structure wastes budget on the wrong queries, a ROAS target that ignores margin can lose money on every sale, and calling a test too early locks in a change that never really worked.
These calculators and planners give you the numbers to make those calls properly, whether you are building a new campaign or defending a budget to a finance director.
FAQs
It depends on your margins. A business with a 25% gross margin needs a ROAS of at least 4:1 just to break even on ad spend. The ROAS calculator works out your own break-even and target figures.
Run tests until you reach statistical significance and have covered at least one or two full business cycles, usually one to two weeks or more. Stopping early is the most common cause of false winners.
No. They work from the figures you enter, so there are no account permissions to grant and no data is shared.
Work with The Search Foundry
We audit, restructure and manage Google Ads accounts with a focus on profit, not just clicks.