Free tool
Bounce rate calculator
Enter what you sent and what bounced. See your bounce rate and whether it puts your sender reputation at risk.
Enter your numbers and press Calculate. The maths runs in your browser.
What it checks
What this tool checks
Three things, every time you run it.
- 01
Your bounce rate
Bounced emails as a share of emails sent.
- 02
A clear verdict
Healthy, needs attention or too high.
- 03
What to do next
How many addresses to remove to get back under 2%.
Results
How to read the result
Every result comes with a plain reason.
Healthy. Keep verifying new addresses.
Needs attention. Clean the list before the next send.
Too high. Inbox providers may start filtering your mail.
Checking more than a few?
Upload a CSV and verify every address with all six checks. Start with 200 free credits.
FAQ
Bounce rate calculator questions
Short answers about this tool.
Still have a question? Talk to us.
Check your list before you send it
Start with 200 free credits. Pay per credit after that.