ACoS calculator
Break-even ACoS calculator
Your break-even ACoS is your profit margin before ads — the most you can spend per ad sale before it loses money. Enter your price, cost and fees to see it, plus the target ACoS that keeps the margin you want.
Manufacturing + freight to Amazon, per unit.
Most categories are 15%.
Per-unit pick, pack and ship.
Used to work out your target ACoS.
Why break-even ACoS is the number that matters
Most sellers track ACoS against last month, not against the point where ads stop paying for themselves. Break-even ACoS fixes that. It is the ceiling: spend more than this per sale and you are buying revenue at a loss. Set your target a few points below it, leave room for the margin you want to keep, and you have a goal that is tied to your actual economics rather than a competitor’s.
Once you know your target, the next questions are how your account performs against your category and whether your overall account is profitable after every cost. Use the benchmark comparison and the profit and TACoS calculator next.
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Hit your target ACoS on autopilot
Knowing your target ACoS is step one. Autron holds your campaigns to it automatically, adjusting bids continuously so your ACoS does not drift when the auction moves.