💰 CPC and CPM Calculator
Work out your Cost Per Click (CPC) and Cost Per Mille/thousand impressions (CPM) from a campaign’s spend, clicks, and impressions.
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CPC and CPM explained
Cost Per Click (CPC) is how much an advertiser pays, on average, each time someone clicks an ad. Cost Per Mille (CPM), sometimes called cost per thousand, is how much it costs to show an ad 1,000 times regardless of clicks.
The formulas
- CPC = Total Spend / Total Clicks
- CPM = (Total Spend / Total Impressions) × 1,000
These two metrics are used together to judge both engagement efficiency (CPC) and raw reach efficiency (CPM) of a display or search advertising campaign. Enter your spend along with clicks and/or impressions to see both instantly.
Figures are for general marketing planning; actual platform billing may include additional fees or rounding.
Last reviewed August 2026