How to Set Your Google Ads Budget: A Guide by Industry

The Quick Answer

Most local businesses should start with $1,500 to $3,000 per month in ad spend, plus management fees. This gets you 100 to 300 clicks per month depending on your industry. Below $1,000/month, you typically will not collect enough data for Google to optimize effectively.

That is the general range. But the right budget for your business depends on your industry, location, and what a customer is worth to you. Here is the data to figure out your number.

Use the calculator below to estimate what your specific business should budget. Enter your industry, average job value, close rate, and target number of new customers per month. The calculator works backward from your goals to show the ad spend required to hit them.

Average Google Ads Cost by Industry (Our Data)

This table comes from the 100+ accounts we manage across the Pacific Northwest. These are real numbers, not national averages from a database.

Notice the range within each industry. A roofer in suburban Boise pays significantly less per click than a roofer in downtown Seattle competing against ten other advertisers. Your position within these ranges depends on local competition, your Quality Score, and how well your campaigns are managed. The "recommended" budget is what we typically suggest for clients who want enough data to optimize within the first 90 days.

"These numbers come directly from our managed accounts in the PNW. A plumber in Boise is going to pay less per click than a plumber in Seattle. But the minimum viable budget stays the same, around $1,500/month. Below that, you just do not get enough clicks for Google to learn which searches convert." - Brock Olsen, Paid Media Strategist

How to Calculate Your Google Ads Budget

Instead of guessing, use this framework to calculate a budget based on your business goals.

1. What is a customer worth? Calculate the average revenue per customer (including repeat business). A roofer might average $8,000 per job. A therapist might see a client for 10 sessions at $150 each ($1,500 total).
2. What is your close rate? Of the leads that come in, what percentage become paying customers? Most service businesses close 20-40% of qualified leads.
3. What is your target cost per lead? Divide customer value by close rate, then decide what percentage you are willing to spend on acquisition. Example: $8,000 job x 30% close rate = you need about 3.3 leads per customer. If you are willing to spend 10% of revenue on acquisition, that is $800 per customer or about $240 per lead.
4. How many leads do you need per month? Based on revenue goals and average job size.
5. Multiply target leads by cost per lead. That is your monthly ad budget. Add management fees (typically $500-$1,500/month or 15-20% of spend).

Worked example for a roofer: Goal: 5 new jobs/month at $8,000 average. Close rate: 30%. Leads needed: 17/month. Target CPL: $150. Ad budget: $2,550/month. Plus management: $3,050-$3,550/month total investment.

Worked example for a therapist: Goal: 5 new clients/month at $1,500 LTV. Close rate: 50%. Leads needed: 10/month. Target CPL: $75. Ad budget: $750/month. Plus management: $1,250-$1,500/month total investment.

Seattle vs Boise: How Location Affects Your Budget

We manage accounts in both markets, so we can show exactly how location affects costs. The difference is significant. A plumber in Boise can get twice the clicks for the same budget as a plumber in Seattle. This is not because Boise is a better market. It is because there are fewer advertisers competing for the same searches, which drives down cost per click.

The comparison below shows real CPC ranges from our accounts in each market.

Seattle CPCs run 40-60% higher than Boise for most industries. This does not mean Seattle is a bad market for Google Ads. Customer values are also higher in Seattle. But the same budget goes further in Boise.

Budgets by Business Stage

Your budget should scale with your business. A startup testing the waters needs a different investment than an established company scaling revenue. Here is the framework we use with clients to set expectations at each spending level.

The numbers below assume average CPCs of $10-$15, a 5% landing page conversion rate, and a 30% close rate. Your specific industry will shift these numbers, but the pattern holds: as budget increases, you get more data, which improves optimization, which improves efficiency. The first dollar is always the most expensive.

"I advise clients to allocate 7-10% of gross revenue to total marketing spend. The percentage that should go to Google Ads depends on business stage. New businesses: 50-60% of marketing budget to Ads for immediate leads. Established businesses with strong SEO: 30-40% to Ads. The balance shifts as organic traffic grows." - Matt Russell, Co-Founder

What Management Fees Should Cost

Your total Google Ads investment is ad spend plus management fees. The management fee pays for the strategist who monitors your campaigns, adjusts bids, writes ad copy, manages negative keywords, and reports on results. This is not optional work. Unmanaged accounts drift toward waste within weeks as irrelevant searches accumulate and market conditions shift.

Management fees come in two models: flat fee or percentage of spend.

• Flat fee: $500-$2,000/month. Predictable. Does not increase as you scale. This model rewards efficiency because the agency earns the same whether your spend is $2,000 or $10,000.
• Percentage of spend: 15-20% of ad spend. Scales with budget. Can get expensive at higher spend levels. A $10,000/month budget at 20% means $2,000/month in fees. The concern with this model is that the agency benefits from recommending higher spend.

Red flags in pricing: fees under $300/month (not enough time for proper management), fees above 25% of spend (excessive), and "free management" bundled with required ad spend minimums (hidden costs). Also watch for long-term contracts with no performance benchmarks. A good agency is confident enough in their results to earn your business monthly.

Our pricing model uses flat fees so clients know exactly what they are paying.

How to Know If Your Budget Is Working

Spending money on Google Ads without tracking the right metrics is like driving without a dashboard. You might be headed in the right direction, but you have no way to know. These are the four metrics that tell you whether your budget is producing results or bleeding money.

• Cost per lead: Total spend divided by total leads. Compare to the industry benchmarks above. If your cost per lead is significantly above average, look at your keyword targeting and landing pages first. High CPCs with low conversion rates usually mean you are attracting clicks that do not match your service.
• Cost per acquisition: Total spend divided by new customers. This is the number that matters most because it accounts for lead quality and your sales process. A low cost per lead means nothing if those leads never become paying customers.
• ROAS (Return on Ad Spend): Revenue from Ads customers divided by total Ads investment. Target 3x or higher for most service businesses. A 3x ROAS means every dollar you spend generates three dollars in revenue. Below 2x, you are likely not covering your fully-loaded costs.
• Conversion rate: Leads divided by clicks. If below 3%, your landing pages need work. A healthy conversion rate for service businesses is 5-8%. If you are getting clicks but no conversions, the problem is not your ads. It is what happens after the click.

Give your campaigns 90 days before making a budget decision. Month one is learning. Month two shows improvement. Month three gives you enough data to evaluate. Pulling budget before 90 days is the most common mistake we see from businesses who tried Google Ads and concluded it "did not work."

Free Tools and Resources

These free tools can help you plan and evaluate your Google Ads budget. We are not affiliated with any of them.

• Google Ads Keyword Planner — Free keyword research tool that shows estimated CPCs for any keyword in your market.
• Google Ads Performance Grader by WordStream — Free tool that grades your Google Ads account and identifies wasted spend.

Frequently Asked Questions

What is the minimum Google Ads budget for a local business?

$1,000/month is the minimum for most industries. Below that, you do not collect enough click and conversion data for Google to optimize. We recommend $1,500/month as a starting point for most local businesses.

How much does a Google Ads click cost?

Average cost per click varies by industry, from $5 for a landscaper to $45 for a roofer in competitive markets. Location matters significantly. Boise CPCs are 40-60% lower than Seattle.

Should I increase my budget or optimize my current campaigns?

Optimize first. If your conversion rate is below 5% or your Quality Scores are below 6, increasing budget just increases waste. Once your account is performing well, scaling budget is the right move.

Is $500 a month enough for Google Ads?

In most industries, no. $500/month gets you 25-50 clicks, which is not enough data for meaningful optimization. The exception might be low-CPC industries like therapy in smaller markets, where $500 can generate enough clicks to learn.

How long before Google Ads becomes profitable?

Most businesses see positive ROAS within 60-90 days when campaigns are managed properly. Month one is the learning phase. By month three, you should have clear data on whether the investment is working.

What percentage of revenue should go to Google Ads?

Total marketing budget should be 7-10% of gross revenue. The share allocated to Google Ads depends on your mix. For businesses without established SEO, 50-60% of marketing budget to Ads is common. As organic traffic grows, that share typically drops to 30-40%.