Email List Growth Calculator
Project your email list size over time accounting for new subscribers and churn. Plan your growth strategy with month-by-month projections and find your list's equilibrium point.
Project your email list size over time with churn and growth rates
Average churn is 1-3% per month (unsubscribes + bounces)
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2,936
Projected Size
+1,936
Net Growth
2,400
Total New Subs
464
Total Churned
Equilibrium point: At your current growth and churn rates, your list will naturally plateau around 10,000 subscribers. To grow beyond this, increase acquisition or reduce churn.
Month-by-Month Projection
| Month | New | Churned | Net | Total |
|---|---|---|---|---|
| Month 1 | +200 | -20 | +180 | 1,180 |
| Month 2 | +200 | -24 | +176 | 1,356 |
| Month 3 | +200 | -27 | +173 | 1,529 |
| Month 4 | +200 | -31 | +169 | 1,698 |
| Month 5 | +200 | -34 | +166 | 1,864 |
| Month 6 | +200 | -37 | +163 | 2,027 |
| Month 7 | +200 | -41 | +159 | 2,186 |
| Month 8 | +200 | -44 | +156 | 2,342 |
| Month 9 | +200 | -47 | +153 | 2,495 |
| Month 10 | +200 | -50 | +150 | 2,645 |
| Month 11 | +200 | -53 | +147 | 2,792 |
| Month 12 | +200 | -56 | +144 | 2,936 |
Tips for healthy list growth
- • Use double opt-in to ensure subscriber quality
- • Segment your list to send relevant content and reduce unsubscribes
- • Clean inactive subscribers every 3-6 months
- • Offer a lead magnet to boost signups
- • A healthy monthly churn rate is under 2%
About this tool
Understanding your list growth dynamics is essential for planning email marketing strategy and budgeting. This calculator shows how your list will grow month-over-month, accounting for both new subscriber acquisition and natural churn (unsubscribes + bounces). It also calculates your list's equilibrium point - the maximum size your list will naturally reach at current rates. To reduce churn, focus on engagement with better subject lines and track your metrics with our campaign calculator.
Frequently Asked Questions
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