CPM / CPC / CTR Calculator
Convert between impressions, clicks, cost, CTR, CPM, and CPC for any ad campaign. Enter any two values to calculate the others — useful for planning and evaluating digital ad buys.
CTR
1.50%
CPM
$2.50
CPC
$0.17
How to use the cpm / cpc / ctr calculator
Enter any three of impressions, clicks, and total spend. CTR, CPM, and CPC are computed.
Formula & explanation
CTR = clicks ÷ impressions × 100. CPM = (cost ÷ impressions) × 1000. CPC = cost ÷ clicks.
Examples
100k impressions, 1500 clicks, 250 spend: CTR 1.5%, CPM 2.50, CPC 0.17.
Frequently asked questions
- Industry benchmarks?
- Search ads CTR averages ~3–5%; display ads ~0.4%. Wildly varies by industry.
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