Revenue projection from your welcome email series.
Inputs
popup + footer signup
Projected revenue
Monthly welcome flow revenue—
New subscribers / mo
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Flow buyers / mo
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Flow conversion %
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Per-email contribution
Email
Conv %
Buyers
Revenue
About this calculator
The welcome flow is the single highest-ROI automation in ecommerce. New subscribers have just expressed intent — they\'re on the site, interested in the brand, and primed to convert. A well-built welcome flow captures 15-25% of total email revenue from just the first 4-6 emails per subscriber, while the main email program captures the remaining 75% across hundreds of broadcasts.
This calculator projects monthly welcome flow revenue from session traffic, capture rate, and per-email conversion. The model multiplies sessions × capture rate to get new subscribers, then applies declining per-email conversion (email 1 typically 4-5%, emails 2-5 averaging 2%) to project total flow buyers and revenue.
The strategic insight: most operators dramatically under-invest in the welcome flow relative to its revenue contribution. A 5-email flow takes 10-20 hours to build and produces revenue per subscriber roughly 8-12× higher than a single broadcast email. Rebuilding the flow with better copy, segmentation, and offer structure typically lifts welcome flow revenue 30-50% — at zero recurring cost.
Pair with the Email Revenue Calculator (full email program economics), the Email Flow Revenue calculator (other automations beyond welcome), and the Customer Reactivation Cost calculator (re-engagement vs new subscriber acquisition). Most successful DTC operators target 25-35% of total revenue from email; welcome flow alone should drive 4-8% of total revenue.
Frequently asked questions
What's a typical welcome flow conversion?
Email 1 (sent immediately): 30-50% open, 5-12% click, 2-5% buy. Emails 2-5: declining engagement, ~50% of email 1 performance per step. Total flow conversion: 8-18% of subscribers buy within the welcome series — driving 15-25% of total email revenue.
How many emails should the welcome series have?
4-6 emails. Below 4 leaves revenue on the table. Above 6 = diminishing returns + fatigue. The sweet spot: email 1 (immediate), email 2 (24hr), email 3 (48hr), email 4 (4 days), email 5 (7 days). Each with a different angle — brand story, product education, social proof, offer.
Should I include a discount?
Yes, on email 1 — typically 10-15%. Discount on email 1 doubles email-1 conversion vs no offer. Don't discount the entire flow; emails 2-5 should educate and build affinity. Reserve a second offer (lower discount or free shipping) for email 5 as a "last chance" trigger.
How is welcome flow different from main email program?
Welcome flow audiences are highest-intent — they just signed up, expressed interest, and your brand is top of mind. Conversion rates are 3-5× the main list average. The flow runs automatically per subscriber; main program runs as broadcasts to the full list.
When should I rebuild the flow?
Quarterly review minimum. Rebuild fully every 12-18 months — design, copy, and offer all get stale. Track open rate by step over time; if email-1 open rate falls below 40%, the subject line needs work; if email-2-5 conversion falls 25%+, the entire flow needs rework.