Email Automation ROI Calculator
Calculate the ROI of your email automation sequences. Compare revenue against setup and maintenance costs, and find your payback period.
Enter Your Automation Data
Revenue generated by this automation sequence monthly
Build, copywriting, design
ESP cost, ongoing management
Automation ROI Results
Annual Revenue
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Monthly × 12
Annual Profit
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Revenue − Total Annual Cost
Annual ROI
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Full year return
Monthly ROI
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Ongoing monthly return
Setup Payback Period
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To recover setup investment
How Automation ROI is Calculated
Annual Revenue = Monthly Automation Revenue × 12
Total Annual Cost = Setup Cost + (Monthly Maintenance × 12)
Annual Profit = Annual Revenue − Total Annual Cost
Annual ROI = (Annual Profit ÷ Total Annual Cost) × 100
Payback Period = Setup Cost ÷ Monthly Profit (Revenue − Maintenance)
For automation sequences, attribute revenue by looking at purchases made within a defined attribution window (typically 7–30 days) after a subscriber received an automation email. Most email platforms provide attribution reporting for automations.
Email Automation ROI: Why Automated Sequences Are the Highest-Leverage Email Investment
Email automation sequences — welcome series, abandoned cart, post-purchase flows, browse abandonment, and re-engagement campaigns — often generate a disproportionate share of email revenue for the time invested. Unlike broadcast campaigns that require repeated manual effort, automation sequences are built once and then run continuously, generating revenue around the clock without ongoing work per send.
Welcome sequences alone typically generate 3–5x the open rates and conversion rates of standard broadcast emails, because they reach subscribers at the moment of highest intent. Abandoned cart sequences recover an average of 5–15% of abandoned carts, representing pure incremental revenue. Post-purchase sequences generate repeat purchases, referrals, and reviews. The ROI of building these sequences is almost always exceptional when measured accurately.
Measuring Automation Revenue Accurately
Attribution is the key challenge with automation ROI. Most email platforms attribute revenue to the last automation email a subscriber received before a purchase, within a configurable time window. Using too long an attribution window (e.g. 30 days) can overcount revenue from automation; too short (e.g. 1 day) can undercount. A 5–7 day window is a common industry standard for purchase attribution from email. For B2B sequences with longer sales cycles, a 30-day window may be more appropriate.
Prioritising Which Automations to Build First
If you're starting with automation, prioritise by proximity to revenue. Welcome series (highest engagement moment), abandoned cart (highest purchase intent), and post-purchase (captive active buyers) sequences deliver the fastest and largest ROI. Browse abandonment and win-back sequences are strong second-tier investments. Complex drip sequences for cold audiences typically take longer to generate positive ROI and should come later once the core revenue automations are in place.