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ACoS / ROAS Calculator
Is your ad spend worth it? Enter ad spend and resulting sales to instantly evaluate ad efficiency.
Ad Efficiency Analysis
25.0%
ACoS
4.0×
ROAS
$1.50
Suggested Max Bid
$1.25
Current CPC
✅ ACoS is lower than profit margin. Ads are profitable.
💡 Target ACoS = Profit Margin. Ads are profitable when ACoS < Margin; Suggested Max Bid = Average Order Value × Margin ÷ 100 × Estimated Conversion Rate (default 3%).
Tiered Evaluation
| ACoS Range | Evaluation | Recommendation |
|---|---|---|
| < 15% | Excellent | Can moderately increase bids to scale |
| 15%–30% | Good | Maintain status quo, keep optimizing keywords |
| 30%–45% | Warning | Review keyword bids promptly |
| > 45% | Loss | Pause inefficient keywords, lower bids |
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