Ad Budget Calculator

How Much Should You Spend on Google Ads?

Google Ads budgets aren't one-size-fits-all. What a plumber in a small town needs to spend is nothing like what a roofer in a major metro needs to spend. This calculator gives you a realistic starting point based on your industry, your market, and the number of leads you're actually trying to generate.

It takes about 30 seconds. Give it a try.

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$500

If you've ever Googled "how much should I spend on Google Ads," you've probably found answers that range from $300 a month to $10,000 a month, with no real explanation of why. This post breaks down what actually drives Google Ads costs for local service businesses, so you can set a budget that makes sense for your situation instead of just guessing.

In This Article

  1. Why There's No Universal Google Ads Budget
  2. What Drives the Cost of a Google Ads Lead?
  3. How Do You Figure Out What to Spend?
  4. What Happens If You Underspend?
  5. How Do You Know If Your Budget Is Working?

Why Is There No Universal Google Ads Budget?

The short answer is that Google Ads is an auction. Every time someone searches for "emergency plumber near me" or "best HVAC company in [city]," Google runs a real-time auction to decide which ads show up and in what order. What you pay depends on how many other businesses are bidding on that same search.

A plumber in a rural town of 30,000 people is competing against a handful of other local shops. A plumber in Chicago is competing against dozens of well-funded operations, some of them running ads full-time with professional management. The cost per click in those two markets is wildly different.

Your industry matters too. Roofing, HVAC, and legal services tend to have some of the highest cost-per-click rates because the jobs are high-value and competition is fierce. Cleaning services and personal care typically run cheaper. There's no magic number that works for everyone.

What Actually Drives the Cost of a Google Ads Lead?

Your budget isn't the only variable. The cost of getting a lead through Google Ads depends on three things working together: how much you're paying per click, how many of those clicks turn into actual leads, and how competitive the search terms are in your area.

Cost per click is set by the market. You don't control it directly, but you can influence it by targeting the right keywords and writing ads that earn a good Quality Score from Google.

Conversion rate is where you have the most control. If your landing page is slow, confusing, or doesn't give someone a reason to call, you're wasting clicks. A well-built landing page can cut your effective cost per lead significantly, because the same number of clicks produces more calls.

When those two things are dialed in, your budget goes a lot further.

"Most business owners focus entirely on their ad spend and forget that the landing page is half the equation. A $50 click that converts is worth more than a $20 click that bounces." — Cassi Lowe, LeadLocal Partners

How Do You Figure Out What to Spend?

Start with how many leads you actually need each month. If you want 20 new leads and your industry typically runs $60 to $80 per lead in your market, you're looking at $1,200 to $1,600 a month in ad spend to hit that goal. That's a starting point, not a guarantee, but it gives you something concrete to work with.

Your average job value matters too. If a new customer is worth $2,000 to you over the course of a year, spending $70 to acquire that customer is a very different proposition than if a job is worth $150. The math shapes the strategy.

The budget calculator at the top of this page walks you through this in about 30 seconds. Plug in your industry, your market size, and the number of leads you want, and it'll give you a realistic range to start from.

What Happens If You Underspend?

This is one of the most common mistakes local service businesses make with Google Ads. They set a budget that's too low, the campaign doesn't get enough data to optimize, and they conclude that Google Ads doesn't work for their industry.

Google's algorithm needs volume to learn. It needs to see which clicks are turning into calls and which ones aren't. When your daily budget is too small, the campaign runs out of money early in the day, misses peak search times, and never gets the data it needs to improve.

A campaign running on $15 a day in a competitive market is going to struggle. Not because Google Ads doesn't work, but because the budget isn't large enough to compete during the hours when your customers are actually searching.

How Do You Know If Your Budget Is Working?

The only metric that matters is cost per lead, and whether that number makes sense against your job value. Impressions and clicks are useful for diagnosing problems, but they don't pay the bills.

You should know every month how many calls came from your ads, what you paid per call, and how many of those turned into actual jobs. If you have that information, you can make smart decisions about whether to increase budget, shift to different keywords, or adjust your targeting.

If your current setup isn't giving you that visibility, that's a problem worth fixing before you spend another dollar.

If you want a second opinion on your current budget or want to talk through what a realistic starting point looks like for your business, reach out. We work with local service companies every day and can give you a straight answer based on your market and your goals.

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About the Author

Cassi Lowe

LeadLocal Partners was founded by Cassi Lowe, a digital marketing veteran with over 15 years of experience generating results for local businesses. After seeing countless service businesses struggle with ineffective marketing, Cassi built LeadLocal Partners with a singular focus: delivering measurable lead generation through targeted search advertising.

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