"How much does Google Ads cost?" has no single answer, and anyone who gives you one number is guessing. Google Ads is an auction: you bid against every other business that wants the same click, so your cost is set by your competitors, your industry, your location and the quality of your own account — not by a rate card. What we can do honestly is explain the machinery, show you why costs differ so much by industry, and give you a reliable way to find your real number before spending serious money.
Why costs vary so much by industry
Cost-per-click tracks the value of the customer behind the click. Industries where one new client is worth thousands — legal services, insurance, finance, home services like roofing and HVAC — consistently sit at the expensive end of the auction, because advertisers can rationally pay a lot for a single lead and still profit. Industries with small transaction values — hobbies, low-priced retail, most local food — sit at the cheap end. The pattern is stable even as the exact prices move every quarter, which is precisely why published "average CPC by industry" tables age badly: the relationships hold, the numbers drift.
The three multipliers on top of your industry
First, location. The same keyword costs different amounts in different cities because the competitors in the auction are different — a plumber in a big metro is bidding against far more rivals than one in a small town. Second, intent. "Emergency plumber near me" costs more than "how to fix a dripping tap" because one is a customer and the other is a reader. You generally want the expensive clicks — they're expensive because they convert. Third, your own Quality Score. Google discounts advertisers whose ads and landing pages genuinely match the search, and surcharges those whose don't. Two businesses can pay meaningfully different prices for the identical keyword, and the difference is the quality of their setup — this is the one multiplier fully inside your control, and it's most of what you pay a paid-media team to get right.
How to find YOUR real cost before committing
Skip the industry tables and pull your own data. Google's Keyword Planner (free, inside any Google Ads account, no spend required) shows the estimated bid range for your exact keywords in your exact location — that range is worth more than any benchmark article ever written, including this one. Then run the arithmetic backwards: decide what a new customer is worth to you, estimate how many clicks it takes to produce one enquiry (for a decent site and a well-matched keyword, single-digit percentages of clicks becoming leads is a normal planning assumption), and you have the maximum click price you can afford. Our free marketing budget planner walks this exact calculation.
What a sensible starting budget looks like
Small enough that mistakes are cheap, large enough that you get data. In practice that means a budget that buys at least a few hundred clicks over the first month in your market — enough to see which keywords produce enquiries and which just spend. A tiny test budget in an expensive industry buys twenty clicks and teaches you nothing; the same money in a cheap industry buys a real experiment. This is also why we tell some businesses honestly that Google Ads is the wrong first move for them: below a certain budget in an expensive vertical, organic search and a strong Google Business Profile deliver more per dollar.
Where the money actually leaks
New accounts rarely overpay per click; they pay for the wrong clicks. Broad match keywords left on default settings, no negative keyword list, campaigns aimed at a whole country when the business serves one city, and ads pointing at a homepage instead of a page about the thing that was searched — every one of these leaks budget silently. Most "Google Ads doesn't work for us" stories are one of these four problems wearing a disguise.
Two default settings that quietly raise your cost
New campaigns ship with expansions switched on. "Search Partners" extends your ads beyond Google to partner sites, and Display Expansion pushes them onto banner inventory across the web — both spend your budget on lower-intent placements unless you untick them. Neither is evil; both are wrong defaults for a small budget that should be concentrated on Google's own search results, where the intent you're paying for actually lives. Check these two boxes before you check anything else in a new account: it's a thirty-second change that routinely matters more than any bidding strategy debate. The same logic applies to broad match keywords left on defaults — Google will happily "help" your keyword reach related searches, and related is where budgets go to die. Start narrow with phrase and exact match, expand only when the search terms report proves the demand is really yours.
The honest summary
Your cost is knowable — but from your data, not from a table. Pull Keyword Planner ranges for your real keywords, decide what a customer is worth, work out the click price you can afford, and start with a budget sized to produce a few hundred clicks of evidence. If you'd rather have the setup, the negative keywords and the landing-page matching done properly from day one, our Google Ads management has published pricing — and if your budget is genuinely too small for your vertical's auction, we'll tell you that instead of taking it.