ROI calculator
Payback period calculator (months)
Find how long it takes to recover an upfront investment from monthly net cash.
Use this when cash flow matters more than long-run ROI percentages.
Enter your numbers
Citations
- [HubSpot email marketing ROI stats 2026](https://blog.hubspot.com/marketing/email-marketing-stats)
- [Campaign Monitor email automation guide (320% more revenue) 2024](https://www.campaignmonitor.com/resources/guides/email-automation/)
- [Mailchimp ROI calculator benchmark (up to 30x annual ROI) 2025](https://mailchimp.com/resources/email-marketing-roi-calculator/)
- [Salesforce State of Marketing report 2025](https://www.salesforce.com/marketing/resources/state-of-marketing-report/)