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Google Ads Budget Calculator

Find out exactly how much to spend on Google Ads to hit your monthly lead targets — based on real industry CPC benchmarks.

✓ Free, no account needed✓ Based on real industry CPCs✓ Results in 30 seconds

Your campaign goals

Adjust the inputs to see your estimated budget.

50 leads
5 leads500 leads

How many qualified leads you want Google Ads to generate each month

Assumptions: 3.2% average landing page conversion rate. Estimated CPC for Legal via Search: $28.00

Your budget estimate

💰

$44K

Monthly Budget Needed

🎯

$875

Cost Per Lead

👆

1,563/mo

Clicks Required

📅

$525K

Annual Investment

"For a legal business targeting 50 leads/month via search ads, expect to spend around $28.00 per click and $44K per month. Many legal firms see positive ROI within 60 days with the right landing pages and offer."

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These are estimates. A proper PPC strategy accounts for Quality Score, landing page relevance, and competitor bids.

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Average Google Ads CPC by industry

IndustryAvg. Search CPCDisplay CPC (×0.3)
Legal$28$8.40
Finance$22$6.60
Healthcare$16$4.80
Real Estate$12$3.60
Technology$8$2.40
Other$6$1.80
Ecommerce$1.80$0.54

Source: WordStream, Google Ads benchmark data. Averages vary by keyword, match type, and Quality Score.

How to use this Google Ads budget calculator

Enter three inputs and the calculator will estimate your required monthly budget based on industry average CPCs and landing page conversion benchmarks.

1

Set your lead goal

How many qualified leads do you want per month? Drag the slider to set your target. More leads = bigger budget required.

2

Choose your industry

Different industries have very different CPCs. Legal and finance keywords cost 10–15x more than ecommerce. Select your industry to apply the right CPC benchmark.

3

Pick your campaign type

Search ads have the highest intent and cost. Display and Shopping campaigns cost significantly less per click. Choose the type that matches your strategy.

Frequently asked questions

About Google Ads budgets, CPCs, and campaign types.

How much should I spend on Google Ads?▾
Your Google Ads budget depends on your industry, competition, and lead goals. This calculator uses real industry average CPCs to estimate what you need to hit your target lead volume. Legal and finance industries typically require $15–$30+ per click, while ecommerce can be under $2. Start with what you can afford to test, then scale what works.
What is a good conversion rate for Google Ads landing pages?▾
The industry average landing page conversion rate is around 3–4%. High-performing pages convert at 8–12%. The calculator uses 3.2% as a conservative baseline. Your actual rate will vary based on landing page quality, offer clarity, and audience targeting. Improving conversion rate is often more impactful than increasing budget.
Is Search, Display, or Shopping better for my business?▾
Search ads show when people actively search for your product/service — highest intent, highest CPC. Display ads appear across websites — much lower CPC but lower intent. Shopping ads work for ecommerce showing product images and prices. The right choice depends on your funnel stage: brand awareness (Display), active demand capture (Search), or product sales (Shopping).
How long before Google Ads generates leads?▾
Google Ads can generate leads from day one — unlike SEO. Expect the first 30 days to be a learning phase where Google optimises your campaigns. Most campaigns hit their stride at 60–90 days when there is enough data for smart bidding to work effectively. Budget consistently for at least 3 months before evaluating performance.
What is CPC and how does it affect my budget?▾
CPC (cost per click) is what you pay each time someone clicks your ad. Industry CPCs vary enormously: legal ($15–$50), finance ($10–$40), ecommerce ($0.50–$3), healthcare ($6–$20). Your monthly budget needs to be high enough to generate enough clicks to hit your lead targets at your landing page conversion rate.
Can I run Google Ads with a small budget?▾
Yes, but your lead volume will be limited. A $500/month budget in a $25 CPC industry gives you only 20 clicks — not enough for statistically significant data. We recommend a minimum of 100 clicks/month (ideally 300+) to get meaningful data. If your budget is tight, consider lower-CPC industries or Display campaigns to build brand awareness first.

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