Email Bounce Rate Calculator
Computes bounce rate from total sent and bounced counts. Flags whether you're in healthy territory (<2%), watch zone (2-3%), or sender-reputation-damage zone (>5%).
You ran the numbers. Now see your real ones.
A calculator works from the figures you type in. Outsolvi measures them on the email you actually send, and grades every open so Apple Mail pre-fetches and security scanners don't inflate the count. Outlook and Gmail, from $7/user/mo billed yearly, 14-day free trial.
See it on your own inboxTotal bounces ÷ total sent = bounce rate %. Compares to 2026 B2B benchmarks and shows the implications for sender reputation.
After every bulk send to verify list quality. When deliverability drops and bounces are suspected.
FAQ
What's a healthy B2B bounce rate?+
Under 1% excellent, 1-2% healthy, 2-3% watch, 3-5% problem, above 5% triggers reputation damage.
Hard vs soft bounce?+
Hard = permanent (invalid address); remove immediately. Soft = temporary (mailbox full); retried automatically.
Keep going
Articles, glossary entries, and other tools on the same topic.
Nate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi grades every open as a person or a machine, in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.
We update these pages when the underlying mechanics change. new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.