How to find wasted spend in Google Ads

Wasted spend is money paid for clicks that had no realistic chance of becoming customers. The biggest sources are usually irrelevant searches, spending that can't be judged because tracking is broken, and ads shown outside the areas or hours you serve. You can find most of it in six places in your account.

What counts as wasted spend?

Spend is wasted when the click could never have become a customer — not simply when a click didn't convert. Some non-converting clicks are a normal cost of advertising.

That distinction matters. Cutting everything that didn't convert last week can remove the searches that bring customers next month. Focus on spend that is clearly irrelevant or clearly unmeasured.

The six places to check

Place	What waste looks like	Typical fix
Search terms	Searches for jobs, free versions, unrelated products	Add negative keywords
Conversion tracking	Spend you can't judge because results aren't recorded	Fix tracking before cutting anything
Locations	Clicks from areas you don't serve	Tighten location targeting
Schedule	Spend when nobody can answer the phone	Review ad schedule against your hours
Devices	A device type with lots of spend and no results	Check the page on that device first
Campaigns	A campaign spending fully with no results for months	Review, then reduce or pause

Want this checked in your actual Google Ads account?

Claritad connects to Google Ads with read-only access to start, analyzes your real campaigns, searches and conversion tracking, and shows you what needs attention in plain English. Nothing in your account changes unless you approve it.

Get My Free Google Ads Audit

Free, no credit card. Claritad is independent software and is not affiliated with or endorsed by Google.

How do negative keywords reduce waste?

Negative keywords stop your ads showing for searches you choose to exclude. Google notes that negatives don't automatically match close variants, so you may need to add plurals or misspellings separately.

Exact-match negatives block only that exact search — the safest option.
Phrase and broad negatives block more, and can accidentally block good searches.
Review your search terms report regularly; new irrelevant searches appear over time.

Estimate your own wasted spend

We don't publish an 'average wasted spend' figure; it varies too much between accounts. Your own report is the only reliable number.

Export the search terms report for the last 30 days.
Mark each costly search as relevant, unclear or irrelevant.
Add up the cost of the irrelevant ones. That is a conservative estimate of avoidable spend for that period.

Limitations of this guide

Labelling searches as irrelevant is a judgement call — when unsure, watch it rather than exclude it.

Related guides and tools

How to audit a Google Ads account — A step-by-step checklist, in business language.
Google Ads getting clicks but no leads — Why ads stop converting and how to find the cause.
Google Ads ROAS calculator — Return on ad spend and your break-even point.

Sources

Last updated 2026-09-25 · Written by the Claritad team (Kyle Edward Gilligan LLC). Claritad is independent software and is not affiliated with or endorsed by Google.