Paid Search Bid Calculator
Compute max profitable CPC for any product based on margin, conversion rate, and target ROAS.
Inputs
Bid Targets
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Run calculation
Profit per sale—
Max CPA at target ROAS—
Max CPC at target ROAS—
Recommended bid (-15% buffer)—
Bid strategy is just margin math
AOV times CVR times margin gives you contribution per click; divide by target ROAS to get max profitable CPC. Bid above this and you lose margin; bid below it and you forfeit volume.
Frequently Asked Questions
Should I always bid the max?
No. Use the max as a ceiling. Test 70-90% of max in early campaigns.
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