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ACoS Calculator
Calculate your Advertising Cost of Sales to understand how much you're spending to generate revenue from ads.
What is ACoS?
ACoS (Advertising Cost of Sales) is a metric that measures the efficiency of your Amazon advertising campaigns. It represents the percentage of attributed sales spent on advertising.
ACoS = (Ad Spend / Ad Sales) × 100
How to Interpret Your ACoS
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Below 15% - Excellent
Your ads are highly profitable. You're spending very little to generate sales.
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15-25% - Good
Solid performance. Most Amazon sellers aim for this range.
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25-35% - Fair
Room for improvement. Consider optimizing your campaigns.
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Above 35% - Needs Improvement
Your ad spend is too high relative to sales. Time to optimize or get expert help.
Need Help Improving Your ACoS?
Professional Amazon advertising management and optimization services.