Subtitle Timing Calculator
Calculate characters per second, reading speed, and compliance with subtitle standards (Netflix, BBC) for video subtitling.
Inputs
Results
Characters per Second
15 CPS
Words per Minute180 WPM
Reading Speed180 WPM
Standards Compliant1
Recommended Duration4 sec
How to Use This Calculator
- Enter the subtitle text and its start and end timecodes.
- Review the reading speed in characters per second and words per minute.
- Check that reading speed falls in the 15-25 CPS range (17 CPS is the broadcast standard).
- Adjust the end timecode to give slower readers adequate time if speed exceeds 21 CPS.
- Use the maximum line length output to split subtitles that exceed the screen width limit.
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