Email Open Rate Calculator
Calculate your email open rate, click rate, and click-to-open rate. Compare your performance against industry benchmarks.
Total number of emails delivered
Number of unique opens
Number of unique clicks (optional)
Enter your email campaign data, then click Calculate to see your engagement rates.
How Email Open Rate Metrics Work
Key Email Marketing Metrics
Email marketing effectiveness is measured through three core engagement metrics: open rate, click rate, and click-to-open rate.
Formulas
- **Open Rate** = (Emails Opened / Emails Sent) x 100
- **Click Rate** = (Emails Clicked / Emails Sent) x 100
- **Click-to-Open Rate (CTOR)** = (Emails Clicked / Emails Opened) x 100
Industry Benchmarks
- **Average Open Rate:** 20-25% across all industries
- **Average Click Rate:** 2-3% across all industries
- **Average Click-to-Open Rate:** 10-15%
Understanding Each Metric
**Open Rate** tells you how effective your subject lines and sender reputation are. It measures initial engagement — did the recipient care enough to open your email?
**Click Rate** measures overall campaign effectiveness from delivery to action. It combines subject line appeal with content relevance.
**Click-to-Open Rate** isolates content performance. By measuring clicks as a percentage of opens (not sends), it tells you how compelling your email content and calls-to-action are for people who actually read the email.
Best Practices
Segment your list for higher engagement, A/B test subject lines, optimize send times, and maintain list hygiene by removing inactive subscribers regularly.