About 50 to 60 characters
Title tags should be 50-60 characters long, including spaces. Keyword placement: Your most important keywords need to be first in your title tag, with your least important words coming last.
The recommended length of title tag is 50 to 55 but not more than 60 characters.
Optimal title length. Google typically displays the first 50–60 characters of a title tag. If you keep your titles under 60 characters, our research suggests that you can expect about 90% of your titles to display properly.
Google has recently expanded the character length of meta descriptions to 320 characters. You’ll notice a change in the SERP’s, where instead of there being 2 lines of a meta description, there can be 4-6 lines of meta description length. Make sure to look through your meta-data and update it as soon as possible.
The length of title tag should be in between 50 to 60 characters long, including spaces.