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

VariableFormulaUnits
Email Marketing ROI CalculatorEmail 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

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.

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