Amazon ACoS & profit calculator.
Summary
BFarm free ACoS calculator estimates Amazon Advertising Cost of Sales given product price, COGS, fulfillment fees, and target margin. The tool also computes the break-even ACoS at which ad spend equals product margin, useful for setting PPC bid ceilings on Sponsored Products campaigns. Calculation is client-side; no email gating, no data leaves the browser.
Stop guessing your margins. Compute break-even ACoS and set accurate advertising targets in seconds.
No login, no email, no signup — calculations run entirely in your browser.
- Break-even ACoS from product margin
- Target ACoS for desired profit %
- Net profit per unit at target ad spend
- Live recompute on input change