How Much Should You Spend on Google Ads in Australia in 2026?

Google Ads click prices in Australia jumped roughly 31% between January and May 2026, the steepest run the platform has seen here. If you're still working off last year's budget, you're quietly buying fewer clicks for the same dollars without realising it. So the real question for 2026 isn't "is $2,000 a month enough?" It's "enough for what, exactly?"
There's no single correct number. But there is a correct way to work one out, and that's what this guide walks through.
The Short Answer
If you want a number to start the conversation with, here's roughly where Australian businesses land depending on what they're trying to do:
- Testing the channel: $1,500–$3,000/month → enough conversion data for Smart Bidding to start learning, across one or two campaign types
- Growing steadily: $3,000–$8,000/month → full-funnel coverage: Search, Shopping or Performance Max, plus remarketing
- Scaling aggressively: $8,000–$25,000+/month → category-wide coverage, competitor defence, and several campaign types running in parallel
Below roughly $1,000 a month, most Australian accounts simply don't generate enough clicks or conversions for Google's automated bidding to optimise properly. You're paying to gather data at that point, not to grow yet.
What Actually Drives Your Number: Industry
The single biggest lever on your budget isn't your ambition; it's your industry. Cost per click in Australia varies enormously depending on how much a customer is worth to advertisers bidding against you.
- Legal services: Avg. CPC $9–$11 → typical monthly spend $3,000–$10,000
- Finance & insurance: Avg. CPC $8–$13 → typical monthly spend $5,000–$15,000
- Real estate: Avg. CPC $5–$6 → typical monthly spend $2,000–$8,000
- Home services: Avg. CPC $4–$5 → typical monthly spend $1,000–$6,000
- Education: Avg. CPC $3–$4 → typical monthly spend $800–$5,000
- Ecommerce / retail: Avg. CPC $2–$3 → typical monthly spend $500–$5,000
Figures collated from multiple Australian agency benchmark reports, 2025–2026. Treat these as directional, not exact; your actual CPC depends on Quality Score, location, and how competitive your specific keywords are, not just your industry label.
That last point matters more than most people think. Two businesses bidding on the same keyword with the same maximum bid can pay noticeably different amounts, because Google's auction weighs ad relevance and landing page quality alongside the bid itself. A sharper ad and a faster, on-message landing page genuinely lowers what you pay; it's one of the few costs in this system you can control directly.
The 2026 Shift Nobody Budgeted For
That 31% jump in click prices since January isn't a blip; it's part of a longer climb that's been building for a few years now, and it means a budget that worked comfortably in 2025 buys a noticeably smaller slice of the auction today. The blended average cost per click across Australian industries now sits somewhere around $3.80–$4.10, up from figures agencies were quoting as recently as last year. If your budget hasn't moved since then, your reach has quietly shrunk even though your spreadsheet looks the same.
The Better Formula: Work Backward From Your Numbers
The most common advice you'll hear is "spend 10–15% of revenue on Google Ads." It's not a bad starting heuristic, but it has a real flaw: it assumes every dollar of revenue carries the same margin, which is rarely true. A business with 60% gross margin can afford to spend far more per customer than one running on 20%.
A more reliable approach works backward from what a customer is actually worth to you:
- Work out your target cost per acquisition (CPA). Take your average order value, multiply by your margin, and decide what share of that profit you're comfortable spending to win the sale.
- Set your customer goal. How many new customers or leads do you need this month?
- Multiply the two. Monthly budget = target customers × target CPA.
- Add a buffer. Tack on roughly 20% while the campaign is still in its learning phase smart bidding needs a run of real conversions before it optimises well, and most strategies want at least 30–50 conversions a month per campaign to get there.
As a worked example: a business wanting 50 new customers a month at an $80 target CPA needs a $4,000 base budget, or roughly $4,800 once the learning buffer is added.
Don't Forget the Second Line Item: Management
Ad spend is only half the bill. If you're running the account yourself, that cost is your time. If an agency or freelancer is managing it, budget somewhere between $500 and $2,000 a month, or 10–20% of spend for larger accounts, and factor in GST on both the media cost and the management fee. Below a few hundred dollars a month in spend, professional management rarely pays for itself; that's the range where doing it yourself, carefully, tends to make more sense.
So, How Much Should You Actually Spend?
There isn't a universal figure, and anyone who gives you one without asking about your margins is guessing. The right budget for your business sits at the point where your target CPA, your margin, and your growth goal actually intersect not at whatever number felt comfortable to type into a spreadsheet.
Start above the minimum-viable threshold for your industry, budget for the true cost of spend plus management plus GST, and revisit the number every quarter. At the rate Australian CPCs have been climbing through 2026, last year's budget is already worth less than it used to be.
Want a Second Opinion on Your Budget?
Onewebbie is an AI growth marketing agency based in Australia. We run Google Ads, Meta Ads, SEO, and CRO for Australian businesses who want a budget built around their actual numbers, not a rule of thumb.
If you're not sure whether your current spend is enough or whether it's being spent well book a free audit and we'll walk through the numbers with you.
Figures are current as of September 2026 and collated from multiple published Australian and international Google Ads benchmark reports. Individual results vary by industry, location, and account history.