Email Bounce Rate Calculator
Calculate email bounce rate from sent and bounced counts with hard/soft split, benchmark verdicts, and deliverability warnings. Free and fully offline.
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What is Email Bounce Rate Calculator?
Email Bounce Rate Calculator turns sent and bounced counts into a benchmarked deliverability verdict: the overall bounce percentage, a hard/soft bounce split with a separate hard-bounce rate, and warnings for the patterns that damage sender reputation - healthy under 2%, watch 2-5%, critical above 5%.
Key Benefits
- Instant verdict instead of guessing if your rate is acceptable
- Hard/soft split points at list quality versus infrastructure
- Hard-bounce warnings protect domain reputation before damage
- Benchmarks give the percentage real-world context
- Private and offline - campaign numbers stay on your device
Common Use Cases
- •Checking a newsletter after each send to catch list decay early
- •Auditing cold-outreach campaigns before they hurt the domain
- •Comparing deliverability across segments or ESPs
- •Reporting campaign health with concrete benchmark numbers
How to Check Your Bounce Rate
- Enter the totals: Type how many emails the campaign sent and how many bounced in total.
- Split hard and soft: Add the hard-bounce count for a precise sender-reputation read.
- Act on the verdict: Healthy keeps your rhythm; watch and critical verdicts point at list scrubbing or infrastructure fixes.
Key Features
- Instant bounce rate percentage from sent and bounced counts
- Hard/soft bounce split with a separate hard-bounce rate
- Industry benchmark verdicts: healthy, watch, critical
- Deliverability warnings for hard bounces and soft-bounce dominance
- Validates counts: bounces cannot exceed sends
- Pure client-side math - campaign numbers stay on your device