Google Ads ROI Calculator

Forecast YourGoogle Ads Profit

Model clicks, leads, sales, ROAS, and ROI before you launch a campaign. Free to use—upgrade later for saved scenarios and reports.

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Run the Numbers Right Now

Enter your assumptions below. We'll calculate sessions, leads, sales, ROAS, and ROI in real time.

Free version

Calculations run entirely in your browser and reset when you refresh. Create a free account to unlock multiple currencies, saved scenarios, and workspace reporting.

Currency:

Google Ad Spend Per Month

Your maximum advertising budget or average monthly spend

$

Average Cost Per Click

Estimate your click costs using historical performance

$

Lead Conversion Rate

Percentage of visitors who convert into leads

%

Qualified Lead Percentage

Leads who continue engaging after they opt in

%

Email Sequence Completion Rate

Percent of leads who finish your follow-up sequence

%

Sale/Up-sell Take Rate

Percent of nurtured leads who buy your offer

%

Average Revenue Per Sale

Revenue per conversion for your main offer

$

Product Cost Percentage

Cost of goods or fulfillment as % of revenue

%

Management Fees

Agency or in-house labor costs to manage ads

$

Google Ads Lead Metrics

Total Website Sessions from PPC4,000
Conversions / Leads / Inquiries800
Cost Per Raw Inquiry$5.00

Conversion Metrics

Number of Leads Per Month400
Email Sequence Completions Per Month200
Number of Sales Per Month60

Business Metrics

Gross Revenue Per Sale$300.00
Average Cost Per Sale$76.67
Gross Profit Per Sale$73.33
Gross Revenue Per Month$18,000.00
Average Cost Per Month$13,600.00
Gross Profit Per Month$4,400.00

Return Metrics

Return On Ad Spend (ROAS)4.50x

For each $1 spent, you gain $4.50

Return On Investment (ROI)32.4%

Profitable campaign

How to use this calculator:

  • Enter your monthly spend and average CPC
  • Plug in historical conversion rates for each funnel step
  • Adjust average revenue and product cost assumptions
  • Review ROAS / ROI before launching campaigns

Need saved scenarios?

Sign in to save calculator presets, compare scenarios side-by-side, and export branded reports for clients.

Performance-Ready Features

Built for agencies, in-house teams, and solo media buyers who need quick answers.

Real-Time Math

Update assumptions and instantly see sessions, leads, sales, and profit.

Full Funnel View

Model every stage from click to sale. Spot bottlenecks before you launch.

True Profitability

Factor in product costs and management fees to get realistic ROI.

Scenario Planning

Test different CPC, conversion, and revenue assumptions for each campaign.

Lead Quality Modeling

Estimate qualified leads, nurture completions, and sales conversions.

Client-Ready Outputs

Share revenue, ROAS, and ROI figures with stakeholders or clients.

Key Metrics Explained

Understand the numbers that guide profitable Google Ads campaigns.

📈

ROAS

Return on Ad Spend – revenue generated per dollar spent on ads.

ROAS = Revenue / Ad Spend
💰

ROI

Return on Investment – profit percentage after all costs.

ROI = ((Revenue - Costs) / Costs) × 100%
🎯

Cost Per Lead

Average cost to acquire a lead from your campaigns.

CPL = Ad Spend / Leads
💵

Cost Per Sale

All-in cost to acquire a customer (ad spend + management fees).

CPS = (Ad Spend + Fees) / Sales

Why run the numbers first?

  • Plan budgets with confidence before you spend
  • Forecast leads, sales, and ROAS for any campaign
  • Answer client questions about profitability on the spot
  • Share assumptions with your team for alignment
  • Upgrade to save scenarios and export branded reports

Client-ready outputs

Share the ROAS + ROI story instantly in reviews, audits, or kickoff meetings. Plug in your client's assumptions and show the path to profit.

FAQ

Google Ads Calculator FAQs

Common questions from agencies and in-house teams.

Do I need an account to use the calculator?
No. The public version runs in your browser for free. Sign up only if you want to save scenarios, switch currencies, or export reports.
Which currencies are supported?
Guest mode uses USD. Dashboard members can toggle USD, GBP, or EUR and add custom assumptions.
Does the calculator store my inputs?
Guest inputs reset when you refresh. Workspace users can save templates, duplicate scenarios, and share with clients.

Model your next campaign in minutes

Use the free calculator now, then sign up when you need saved scenarios, multi-currency support, and exportable reports.