Free Marketing Tool
Email Marketing ROI Calculator
Computes email marketing ROMI from list size, send frequency, open rate, click rate, conversion rate, and monthly platform cost — with 2026 industry benchmarks and platform cost comparison.
Email ROMI = (Monthly Revenue − Platform Cost) ÷ Platform Cost × 100
Monthly Revenue = List Size × Sends × Open Rate × Click Rate × Conversion Rate × AOV
Industry benchmark: $36 return per $1 spent (3,600% ROI)
Email Platform Cost Comparison — 2026
Updated July 2026| Platform | ~1K subscribers | ~5K subscribers | ~10K subscribers |
|---|---|---|---|
| Mailchimp | $11/mo | $50/mo | $75/mo |
| Klaviyo | $20/mo | $60/mo | $100/mo |
| ActiveCampaign | $15/mo | $49/mo | $79/mo |
| Brevo | $9/mo | $25/mo | $65/mo |
| Constant Contact | $12/mo | $45/mo | $80/mo |
Approximate pricing based on standard plans. Prices change — verify on each platform's site.
Frequently Asked Questions
What is a good email marketing ROI?
The industry average is $36–$42 return for every $1 spent — a 3600–4200% ROI. Top performers achieve 6000%+. Even at the low end, email marketing outperforms most other channels.
How do I calculate email marketing ROI?
Email ROI = (Revenue from emails − Email marketing cost) ÷ Email marketing cost × 100. Factor in platform cost, creative cost, and staff time for an accurate figure.
What is a good email open rate in 2026?
Average open rates are 20–25% across industries. B2B averages 22%, retail 18%, nonprofits 28%. With Apple Mail Privacy Protection, opens are inflated — click rates (2–4%) are a more reliable engagement metric.
How do I improve email marketing ROI?
Segment your list by behaviour and purchase history, personalise subject lines, clean inactive subscribers quarterly, A/B test send times, and automate triggered sequences (welcome, abandoned cart, re-engagement).
Is this calculator free?
Yes — completely free, no signup, no email required.