← Advanced training · Module 12 — Practical tutorials II — feeds for ads and reporting
Tutorial · Custom columns: formulas inside Google Ads (business CPA, POAS, traffic lights)
⏱️ 9 min read · 📐 Measurement 💰 Bids and budgets · updated on 2026-08-22
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A step-by-step guide to creating formula columns in the interface — combined metrics, metrics filtered by conversion action, constants and functions — plus twelve useful columns ready to copy: qualified lead CPA, POAS with margin, % of L1, cost per call, total lost IS, real conversion rate, deviation vs target, and how to use them in filters, rules and column sets.
The account is free, no card needed, and unlocks the whole Basic training, part of the Intermediate and Advanced levels, plus the ebooks and the free scripts.
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