Cost Per Click (CPC) Calculator
Works out what each click on an ad cost you on average.
Cost per click
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Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Click-through rate — %
Effective CPM —
Reading this —
The formula
CPC = ad spend ÷ clicks CTR = clicks ÷ impressions × 100 effective CPM = spend ÷ impressions × 1,000
This is the average you actually paid, which is usually different from the most you bid.
What to watch out for
Use spend and clicks from the same campaign and period. Add impressions to see how CPC connects to CTR and CPM.
Frequently Asked Questions
How do I calculate CPC?
Divide spend by clicks. 500 spent for 400 clicks is 1.25 a click.
How much can I afford to pay per click?
Multiply your conversion rate by the profit from a conversion. A 3% conversion rate and 40 of profit per conversion break even at 1.20 a click.