Calculate CPS and characters per line
Check the reading speed (characters per second) and line length of a subtitle or of an entire file.
14characters per second
17 / 18characters per line
2lines
2,06 sminimum duration for 17 CPS
Frequently asked questions
How is CPS calculated?
The subtitle's characters are counted, spaces included and line breaks excluded, and divided by its duration in seconds.
What limits should I use?
The ones in your client's style guide. For reference, 17 characters per second, 42 per line and 2 lines per subtitle are common.
Is it safe with confidential material?
Yes. Everything is calculated in your browser; the files never reach our servers.