How to Calculate Email Open Rate

What is Email Open Rate?

An email open rate calculator determines the percentage of recipients who opened an email campaign. Open rate = (unique opens ÷ delivered emails) × 100. Industry average open rates range from 17–28%; rates below 15% suggest subject line or deliverability issues.

Step-by-Step Guide

1Input total emails sent and opened
2Calculate percentage
3Compare to industry benchmarks

Worked Examples

Input

1000 sent, 250 opened

Result

25% open rate

Above average for most industries

Common Mistakes to Avoid

✕Wrong parameters
✕Missing adjustments

Frequently Asked Questions

What does this calculator do?

Set parameters

How do I use this calculator?

Run calculation

Ready to calculate? Try the free Email Open Rate Calculator

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