Email Marketing ROI Calculator
Calculate the ROI of your email marketing campaigns. Email consistently delivers 36–40x average ROI — find out exactly what yours delivers.
📧 Marketing💼 Email ROI = (Revenue − Cost) / Cost × 100
Total emails sent
Open rate (%)
Click-through rate (%)
Average order value ($)
Conversion rate of clicks (%)
Monthly email tool cost ($)
Please enter valid values.
Formula & Reference
| Variable | Formula | Units |
|---|---|---|
| Email Marketing ROI Calculator | Email ROI = (Revenue − Cost) / Cost × 100 | % |
Step-by-Step Examples
Example 1
Ecommerce Campaign
10k emails, 22% open, 3% CTR, $75 AOV, 5% click-to-purchase, $200 tool.
- Openers: 2,200 | Clickers: 66 | Buyers: 3.3
- Revenue: 3.3×$75 = $247.50
- ROI: ($247.50-$200)/$200 = 23.75%
- Note: this is one campaign; monthly tools cost amortize across many campaigns
✓ $247.50 campaign revenue, 24% ROI vs tool
Example 2
Welcome Sequence
5k emails, 45% open (welcome is highest), 8% CTR, $120 AOV, 10% conversion.
- Openers: 2,250 | Clickers: 180 | Buyers: 18
- Revenue: 18×$120 = $2,160
- Welcome sequences consistently highest ROI email type
✓ $2,160 revenue from welcome sequence
Example 3
Re-engagement Campaign
2k emails, 15% open, 4% CTR, $60 AOV, 8% conversion.
- Buyers: 2000×0.15×0.04×0.08 = 0.96 ≈ 1
- Revenue: ~$57.6
- Low open rate shows need for list cleaning
✓ ~$58 revenue, indicates list hygiene needed
Real-World Applications
Email Marketers
Measure campaign-level ROI and justify platform investment.
E-commerce
Email automation (welcome, abandon cart, post-purchase) drives disproportionate ROI.
Marketing Teams
Report email channel ROI to leadership with concrete numbers.
List Growth Strategy
Justify list growth investment by projecting revenue from each new subscriber.
Common Mistakes to Avoid
⚠️
Calculating ROI per campaign instead of per subscriber lifetime
A new subscriber joining your list isn't evaluated by first-campaign conversion alone. Measure email revenue per subscriber per month over 12 months.
⚠️
Low open rates accepted without list hygiene
If open rate consistently under 15%, clean your list. Unengaged subscribers hurt deliverability and skew your funnel metrics.
⚠️
Neglecting mobile optimization
60%+ of emails are opened on mobile. Poor mobile UX dramatically reduces CTR and conversion regardless of offer quality.
Frequently Asked Questions
What is a good email open rate? ▾
Industry average 20–25%. E-commerce: 18–22%. B2B: 22–28%. Welcome emails: 40–60%. Under 15% suggests deliverability or relevance issues.
What is good email CTR? ▾
Average 2–5% across industries. Segmented and personalized campaigns: 4–7%. Automated triggered emails: 5–10%.
Why does email consistently outperform other channels? ▾
You own your list (no algorithm risk), subscribers opted in (intent signal), segmentation enables personalization, and automated flows work 24/7.
How do I grow an email list quickly? ▾
Lead magnets (free guides, templates, discounts), exit-intent popups, referral incentives, and content marketing. Quality matters more than size.
What is email RPM (revenue per thousand)? ▾
Total revenue ÷ emails sent × 1,000. Common benchmark: $5–20 RPM. Higher for engaged, segmented lists.