Google Ads Budget Calculator

Google Ads Budget Calculator

For Auto Shops & Truck Repair Services

Monthly $50,000
Clients needed / month 100
Quality calls needed 500

Required Monthly Google Ads Budget

$10,000

Google Ads Budget Calculator: Calculate Your Monthly Ad Spend Based on Revenue Goals

This Google Ads Budget Calculator helps business owners answer the most important question: How much advertising budget do I need to hit my revenue goals?
Instead of guessing or relying on generic CPC benchmarks, this tool calculates your ideal monthly Google Ads budget based on real business inputs:

  • Your annual revenue goal

  • Average customer ticket

  • Conversion rate from lead to paying customer

  • Average cost per call or lead

With these data points, the calculator estimates how many calls you need, how many customers you must acquire, and what monthly Google Ads budget will deliver those results.

This makes the tool far more accurate than traditional “Google Ads cost estimators,” because it is built on your real economics — not industry averages.

How the Google Ads Budget Calculator Works

Most calculators show only CPC and impressions. Our calculator starts from the bottom line, calculating backward from your revenue target.

1. Enter Your Annual Revenue Goal

Tell the calculator how much money your business wants to generate in the next 12 months.

2. Add Your Average Ticket Size

This allows the tool to calculate how many paying customers you need to achieve that revenue.

3. Set Your Conversion Rate

Your sales conversion rate determines how many leads or calls you need for every new customer.

4. Add Your Average Cost Per Call or Lead

This is crucial for service businesses. The calculator multiplies required call volume by your cost per lead to estimate the necessary ad budget.

Once these fields are filled, the calculator automatically provides:

  • Number of customers required

  • Number of calls or leads needed

  • Your monthly Google Ads budget

  • Recommended daily budget

This is the most realistic way to understand how much you should spend on Google Ads to scale your business profitably.

Why This Approach Works Better Than CPC-Based Calculators

Traditional PPC calculators start with cost-per-click data. But businesses don’t buy clicks — they buy calls, customers, and revenue.

This calculator is designed specifically for:

  • Service businesses (auto repair, HVAC, medical, beauty, plumbing, etc.)

  • Local businesses that rely on phone calls

  • Companies with clear average tickets and sales conversion rates

  • Businesses trying to scale and need predictable budgeting

  • Agencies and consultants planning ROI-focused campaigns

Instead of guessing your spend, you get a revenue-driven Google Ads budget estimate created from your actual performance metrics.

What This Google Ads Budget Calculator Helps You Understand

• How many customers you must acquire to reach your yearly revenue target

• How many phone calls or leads are required

• The true amount you need to invest monthly in Google Ads

• Whether your current budget is too low to reach your goals

• How realistic your revenue target is based on conversion rates

It also helps you avoid a common mistake: launching Google Ads with a budget that’s too small to achieve meaningful results.

Who Should Use This Calculator?

This tool is perfect for:

  • Business owners planning their first Google Ads campaign

  • Companies evaluating whether they can hit aggressive revenue goals

  • Marketing teams that need an exact PPC budget for the year

  • Agencies preparing proposals for clients

  • Service businesses that rely on paid traffic for lead generation

If you want to know exactly how much to invest — not a random guess — this calculator gives you a precise answer.

Why Budget Planning Is Critical for Google Ads Success

Google Ads works best when your budget aligns with your goals. Underfunding campaigns leads to:

  • Limited impressions

  • Fewer calls

  • Slower growth

  • Incorrect assumptions about “Google Ads not working”

With this calculator, you won’t rely on industry averages or guesswork. You’ll receive a data-backed monthly ad spend recommendation based on real inputs.

Get Your Google Ads Budget in Seconds

Use the Google Ads Budget Calculator now to discover:

  • How many customers you need per year

  • How many leads and calls it takes

  • What monthly ad budget supports your revenue target

This simple calculation can completely change how you plan and scale your marketing.