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.
Difficulty:intermediate
References
🔒
100% 무료
가입 불필요
✓
정확
검증된 공식
⚡
즉시
즉각적인 결과
📱
모바일 지원
모든 기기