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CPM, CPC & CPA Calculator
Turn ad campaign numbers into CPM, CPC, CTR, CPA and conversion rate in one go — for Google, Meta, TikTok or any ad platform.
Tip from Tink: A low CPC means nothing if conversion rate is poor — watch CPA.
CPM
$5.00
CPC
$0.25
CTR
2%
CPA
$10.00
Conversion rate
2.5%
Leave a box at 0 if you don't have it; only the metrics it affects show "—".
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How to use the CPM, CPC & CPA Calculator
- Enter total cost, impressions, clicks and conversions.
- Every metric is worked out instantly.
- Leave unknown numbers at 0.
Everything runs in your browser. Nothing you enter is uploaded.