Skip to contentNEWSellerRoot AI for ChatGPT & Claude
SellerRoot

Amazon Ads Tools

Break-even ACoS Calculator

Calculate the highest ACoS a product can sustain while still hitting your profit target. Enter your selling price, Amazon fees, product cost and desired profit.

Break-even ACoS calculator

Your numbers

Currency
What the customer pays on Amazon.
Referral fee + FBA fee + other Amazon fees.
Landed cost per unit.
Set to 0 for the absolute break-even point.

Break-even ACoS

Example: enter your numbers

31.3%

Spend up to this share of revenue on ads and you still hit your profit target.

Margin available for ads
$10
Profit after ads at break-even
$2
FormulaBreak-even ACoS = (Price − Amazon fees − Product cost − Desired profit) ÷ Price

Break-even ACoS is a ceiling, not a target. Most advertisers aim below it so campaigns stay profitable when CPC and conversion rate move.

Frequently Asked Questions

  • Break-even ACoS is the highest Advertising Cost of Sales (ACoS) a product can sustain before it stops meeting your desired profit target. At this level, the margin left after product cost, Amazon fees and your desired profit is exactly what you can spend on advertising.

Related SellerRoot tools

TACoS CalculatorCalculate your Total Advertising Cost of Sales (TACoS) from organic sales, PPC sales and ad spend. Understand your advertising dependence over time.
Campaign Structure ScoreEvaluate your Amazon Ads campaign structure against best practices in under 60 seconds. Get a structure score and prioritized improvements. No account access required.
Amazon PPC Audit ScoreA quick Amazon PPC best-practice self-assessment. Answer 8 questions to get your PPC Audit Score and three practical actions. No login, no account access.
Amazon PPC Opportunity ScoreIdentify where you're most likely missing Amazon PPC optimization opportunities. A 60-second self-assessment with prioritized, best-practice improvements.

Want this run automatically on your live Amazon Ads data?

These free tools use manual inputs. SellerRoot connects to your Amazon Advertising account and surfaces these opportunities continuously.

Try SellerRootBook a Live Demo