How do I re-engage dormant customers?
Muhammed Tüfekyapan
Founder & CEO
TL;DR - Quick Answer
Complete Expert Analysis
How Do I Calculate Return on Ad Spend (ROAS)?
ROAS is the most commonly used paid advertising metric in e-commerce, but also one of the most misunderstood. A "good" ROAS number varies dramatically depending on your margins, business model, and whether you're measuring new vs returning customer revenue. Understanding what ROAS number you actually need is more important than chasing industry averages.
ROAS Calculation and Break-Even Analysis
| Gross Margin | Break-Even ROAS | Profitable ROAS Target |
|---|---|---|
| 20% margin | 5.0x (500%) | 7-8x |
| 30% margin | 3.3x (330%) | 5-6x |
| 40% margin | 2.5x (250%) | 3.5-4x |
| 50% margin | 2.0x (200%) | 3-4x |
| 60% margin | 1.7x (170%) | 2.5-3x |
ROAS vs MER (Marketing Efficiency Ratio)
ROAS Limitations
Platform-reported ROAS counts sales influenced by ads, often including customers who would have purchased organically anyway. Attribution windows and cross-channel effects make pure ROAS unreliable for total efficiency measurement.
MER (Marketing Efficiency Ratio)
MER = Total revenue / Total marketing spend. This blended metric avoids attribution issues by measuring overall marketing efficiency across all channels simultaneously. Most operators target 4-8x MER depending on margins and growth stage.
New Customer ROAS
Separate your ROAS for new vs returning customers. Returning customers who bought through a retargeting ad might show high ROAS, but they may have purchased anyway. New customer ROAS is the true efficiency measure of customer acquisition.
Improving ROAS Without Cutting Ad Spend
| Lever | How It Improves ROAS | Impact |
|---|---|---|
| Increase landing page CVR | More revenue from same ad spend | +20-50% ROAS possible |
| Increase AOV (upsells, bundles) | Higher revenue per visitor converts | +15-30% ROAS |
| Exit-intent recovery | Convert ad-acquired visitors who were abandoning | +8-15% revenue from same traffic |
| Improve ad creative/audience | Lower CPC or higher CVR | Direct ROAS improvement |
| Increase LTV | Allows higher CAC for same profitable ROAS | Higher allowable ad spend |
ROAS Amplification Through On-Site Conversion
Growth Suite Trigger Campaigns increase the revenue extracted from every paid visitor by recovering walk-away visitors who would otherwise leave without buying. If your ads drive 1,000 visitors at $1 each ($1,000 spend) and you normally convert 3% ($30 orders = $900 revenue = 0.9x ROAS), recovering an additional 10% via exit-intent at $30 AOV adds $300 revenue to the same $1,000 spend - improving ROAS from 0.9x to 1.2x without changing a single ad.
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With over a decade of experience in e-commerce optimization, Muhammed founded Growth Suite to help Shopify merchants maximize their conversion rates through intelligent behavior tracking and personalized offers. His expertise in growth strategies and conversion optimization has helped thousands of online stores increase their revenue.
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