How to use this calculator
- Enter the ad budget used to generate email leads.
- Enter cost per lead or subscriber.
- Add expected email open rate and click rate.
- Review estimated subscribers, customers, revenue, and ROI.
Use this Meta Ads Email Calculator to estimate how much revenue Facebook or Instagram lead campaigns can create after subscribers enter your email funnel.
This calculator connects paid social lead generation with email monetization. It helps judge whether low-cost subscribers actually create long-term revenue.
The model uses a default 12% purchase rate from email clicks and $180 customer lifetime value for revenue forecasting.
A $2,500 budget at $6 CPL creates about 417 subscribers. With 35% open rate and 8% click rate, projected revenue is about $2,520.
Subscriber value equals expected email revenue divided by the number of subscribers acquired.
A good open rate varies by industry, but higher open rates generally improve subscriber value and email ROI.
Subtract ad spend from email-driven revenue, divide by ad spend, and multiply by 100.
Revenue depends on subscriber count, open rate, click rate, purchase rate, and customer lifetime value.
Improve lead magnet relevance, welcome emails, segmentation, subject lines, and retargeting flows.
| Metric | Decision use |
|---|---|
| Subscribers | Estimated email leads from ad spend. |
| Open rate | Share of subscribers who open email. |
| Click rate | Share of opens that click. |
| Revenue per subscriber | Value of each acquired email lead. |