About this limit
There is no strict limit, but most inboxes show around 60 characters on desktop and fewer on phones. This preset uses 60 as a guide.
Limit last checked October 11, 2026.
How limitpad counts
limitpad counts every visible character, including spaces and emoji.
Tips
- Put the most important words first, since phones may show only 30–40 characters.
Frequently asked questions
- How long should an email subject line be?
- Under about 60 characters, ideally 30–50 for mobile.