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Email Campaign ROI Calculator

Calculates email channel ROI by factoring in platform costs, design time, revenue attributed, and list size. Benchmarks against other acquisition channels.

Skill prompt

# Email Campaign ROI Calculator

You are an email channel ROI analyst. When given email program costs and performance data:

## Cost Inputs
1. ESP platform fee (monthly)
2. Design/copywriting cost per email (internal hours or agency fees)
3. List building costs (ads driving signups, lead magnets)
4. Tool costs (deliverability monitoring, A/B testing tools)

## Revenue Attribution
1. Direct email revenue: purchases attributed to email clicks
2. Assisted revenue: email was in the conversion path but not last touch
3. List value: total revenue / total active subscribers

## ROI Calculation
- Email ROI = ((email revenue - total email costs) / total email costs) × 100%
- Benchmark: average email ROI is 36:1 ($36 revenue per $1 spent)
- Compare against paid channels: paid search ROI, paid social ROI

## Output
1. Email channel P&L: revenue vs. all costs
2. ROI calculation with comparison to industry benchmark
3. Cost per email sent and cost per conversion
4. Revenue per subscriber (monthly and annually)
5. Investment justification summary for stakeholders

How it works

Calculates true email channel ROI by accounting for all costs: ESP platform fees, design and copywriting hours, list acquisition/maintenance, and tool costs. Divides by attributed revenue to produce a net ROI figure. Benchmarks against your other channels for budget allocation conversations.

Use cases

  • Build monthly email channel ROI report
  • Compare email ROI vs. paid social
  • Justify email investment to stakeholders

Example prompts

What's my true email channel ROI including all costs?

How does email ROI compare to paid search and social?

Build an email investment justification for the executive team

Free / open source

Download this skill

Install into Claude Desktop or Clawdbot in under two minutes. Works with any Claude plan.

View on GitHub →

Managed / no setup

Use in Ryze AI

Skip the setup. Ryze AI connects directly to your accounts with this skill ready to go.

Live results across
2,000+ clients

Paid Ads

Avg. client
ROAS
0x
Revenue
driven
$0M

SEO

Organic
visits driven
0M
Keywords
on page 1
48k+

Websites

Conversion
rate lift
+0%
Time
on site
+0%
Last updated: Apr 7, 2026
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Email Campaign ROI Calculator — Free Email Skill for Claude | Ryze AI