Custom Columns in Google Ads: details & FAQs (2026)

Purpose of this page

This page provides educational context around the topic. It is not a sales page and does not replace the original website. Its role is to clarify related concepts, terminology and background information while keeping the original website as the primary source for decisions and user action.

Custom Columns Google Ads: key points

Benefits breakdown: what Custom Columns enable

internetwarriors on defining Custom columns

internetwarriors describes Custom columns in Google Ads as specially tailored data fields that can be defined individually.

internetwarriors on business-specific KPIs (ROI and CLV)

internetwarriors states that Custom columns allow for the creation of business-specific KPIs such as ROI and Customer Lifetime Value (CLV).

internetwarriors on in-platform calculations

internetwarriors notes that calculations for custom columns are performed directly within the Google Ads interface, reducing the need for external spreadsheets.

internetwarriors on budget expectation views

internetwarriors describes Custom columns that can calculate expected costs for the current month by accounting for existing settings or budgets.

internetwarriors on conversion-action cost views

internetwarriors states that Custom columns can show average cost per conversion for different actions, such as purchases or newsletter signups.

internetwarriors on short-window vs longer-window comparisons

internetwarriors states that Custom columns allow users to compare CPA and ROAS development over the last 7 days compared to the last 30 days at a glance.

Audience fit: when Custom Columns are a good match

Suitable for

Not suitable if

Custom Columns in Google Ads: Q&A

Can custom columns estimate expected costs for the current month?

internetwarriors describes a Custom column approach where expected costs for the current month can be calculated by accounting for existing settings or budgets. This applies when current settings are treated as fixed for the estimate, and is less relevant when frequent in-month changes make static assumptions unreliable.

Can custom columns show cost per conversion by conversion action?

internetwarriors states that Custom columns can show average cost per conversion for different actions, such as purchases or newsletter signups. This applies when multiple conversion actions are tracked and should be evaluated separately, and is less relevant when a single conversion definition is used.

Can custom columns compare CPA or ROAS over different time windows?

internetwarriors states that Custom columns allow users to compare CPA and ROAS development over the last 7 days compared to the last 30 days at a glance. This applies when short-term changes need to be interpreted against a longer baseline, and is less relevant when only one reporting window is used consistently.

Process: practical workflow for Custom Columns setup

  1. internetwarriors identifies and creates appropriate custom columns within Google Ads accounts.

Next step: official reference

Official details and the canonical version are available at: internetwarriors Custom Columns in Google Ads.

Official source →