Email bounce rate, spam complaint, and inbox placement calculators. Browse our free deliverability tools below — all calculators are instant, accurate, and require no sign-up.
Email Bounce Rate Calculator — Calculate your email bounce rate by dividing bounced emails by total sent. Reduce bounces and protect sender reputation.
Inbox Placement Rate Calculator — Calculate what percentage of delivered emails land in the inbox vs. spam. Optimize inbox placement for better engagement.
Email Deliverability Rate Calculator — Calculate the percentage of sent emails that successfully reach recipients. Monitor deliverability to protect sender reputation.
Spam Complaint Rate Calculator — Calculate your email spam complaint rate. Keep complaints below 0.1% to maintain inbox delivery and sender reputation.