Free Ad Spend Calculator

Calculate your daily ad spend, campaign budget, clicks, conversions, CPA, revenue and ROAS. Use it for Google Ads, Facebook Ads, Instagram Ads or other paid campaigns.

Budget Planner

Enter any two fields and the calculator will solve the third automatically.

Total Ad Spend — Campaign budget
Daily Ad Spend — Average daily allocation
Performance Forecast

CPC can estimate clicks directly. If CPC is blank, CPM + CTR can estimate clicks instead. Add conversion rate to estimate conversions and CPA.

Estimated Impressions —
Estimated Clicks —
Estimated Conversions —
Estimated CPA —
Revenue & ROAS Forecast

Add average revenue per conversion to estimate revenue and ROAS. If your conversion is a lead, add a lead-to-customer rate to model customer revenue.

Estimated Revenue —
ROAS —
Estimated Profit* —
Revenue / Ad $ —
Break-Even ROAS* —

*Estimated profit and break-even ROAS are shown only when other variable costs are entered. These are simplified planning estimates and do not include fixed costs, taxes, returns or attribution effects.

How to Use the Ad Spend Calculator
1. Plan your budget

Enter total budget and campaign days to calculate average daily ad spend.

2. Forecast traffic

Use CPC or CPM + CTR to estimate clicks and impressions.

3. Forecast conversions

Add conversion rate to estimate conversions and cost per acquisition.

4. Check returns

Add revenue per conversion to estimate revenue and ROAS before scaling spend.

Results are planning estimates, not guarantees. Actual ad costs and performance vary by platform, audience, competition, bidding, creative, targeting, landing page and market conditions.