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.
Start CalculatingEmail 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.
📖 Is the $36:$1 Email ROI Still Accurate? Read the benchmarks guide →
Read now →1. Enter your email list size and number of sends per month. 2. Enter your open rate and click rate (use your ESP's analytics or the 2026 industry benchmarks shown below). 3. Enter conversion rate of clicks, average order value, and monthly platform cost. 4. Click Calculate — your monthly revenue, conversions, and full ROMI appear.
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.