What is an Email Bounce Rate Calculator?

The Email Bounce Rate Calculator Tool is designed to help you accurately measure the percentage of emails that fail to reach your recipients. This tool provides valuable insights by analyzing your bounce rate, helping you identify issues and improve your overall deliverability. With easy-to-use features, you can optimize your email strategies and ensure your messages reach more of your audience. 

What is Email Bounce Rate?

Email bounce rate measures the percentage of emails you send that get rejected by recipients' inboxes, known as "bounces." Understanding your bounce rate helps you identify and address issues, ensuring your messages reach more of your audience.

Email Bounce Rate Formula:

Calculate the percentage of undelivered emails easily.

Email Bounce Rate = (Total Bounced Emails ÷ Total Attempted Emails) x 100

What does it mean?

Total Bounced Emails: The number of emails that were not accepted by recipients' inboxes. Bounces can happen for various reasons, such as full inboxes or invalid email addresses.

Total Attempted Emails: The total number of email addresses you tried to send emails to, including those that bounced. This is also known as "Sent Emails" in some email platforms.

Types of Bounces

There are two main types of email bounces: 

Hard Bounce
These indicate that you can't email this address anymore. The issue is likely permanent:
• The email address is no longer active.
• The domain of the email address doesn't exist.
• Your email address has been blocked by the recipient or their email server.

Soft Bounce
These are temporary problems and might resolve over time. Common reasons include:
• The recipient's inbox is full.
• Your email was too large for the recipient's inbox.
• The recipient's email server was temporarily do.




Time to live (TTL)





  • www is the subdomain and is an identifier of the record.

  • CNAME is the DNS record type.

  • com is the value of the record. That means www will resolve to the IP address of the domain abc.com.

  • 3600 is TTL (time to live) is the expiry time of the CNAME record. It's expressed in seconds. Here 3600 means that the records will be updated after each hour.

Frequently Asked Questions

General Questions

1. What Is An Email Bounce?

Email automation FAQs- Smartlead

An email bounce happens when an email you send doesn't make it to the recipient's inbox. This can occur for several reasons, like the email address being invalid, the inbox being full, or the email server having temporary issues.

2. How Can I Reduce My Email Bounce Rate?

Email automation FAQs- Smartlead

Reducing your email bounce rate starts with maintaining a clean and up-to-date email list. Regularly remove invalid addresses, avoid using spammy content, and choose a reputable email service provider. Consistent monitoring and analysis of your bounce rate can help you spot and fix issues early, ensuring your emails reach your audience.

3. What Factors Can Affect My Email Open Rate?

Email automation FAQs- Smartlead

Several factors can influence your email open rate, including:

• Relevance of your subject line.
• Time and day of sending emails.
• Sender name and email address.
• Quality and segmentation of your email list.

    4. Why Is Monitoring Email Bounce Rates Important?

    Email automation FAQs- Smartlead

    Keeping an eye on your email bounce rates is essential for maintaining a good sender reputation and ensuring your emails land in your recipients' inboxes. High bounce rates can hurt your deliverability, making it harder for your messages to reach your audience. By monitoring and addressing bounce rates, you can improve the success of your email campaigns.

    5. How Does The Email Bounce Rate Calculator Tool Work?

    Email automation FAQs- Smartlead

    Our Email Bounce Rate Calculator tool makes it easy to see how many of your emails aren't getting through. It calculates the percentage of bounced emails by dividing the number of bounced emails by the total number of emails you tried to send, then multiplying by 100. This gives you a clear picture of your email campaign's performance, helping you make data-driven decisions to improve your results.