Subtitle & Voiceover WPM Calculator

Optimize your script pacing for maximum viewer retention and WCAG accessibility standards.

Total Words: 0
sec

Analysis Results

Words Per Minute (WPM) 0
Pacing Category -

UX Recommendation

Enter your script and duration to see pacing analysis.

0 WPM 140 WPM (Ideal) 200+ WPM
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How Do I Use This Tool?

  1. Paste Your Script: Copy the exact text of your voiceover or subtitle block into the large text area.
  2. Enter Duration: Time how long that specific section of video or audio lasts in seconds.
  3. Calculate: Click "Calculate Pacing". The tool instantly computes your WPM and compares it against global accessibility standards.
  4. Adjust: Read the automated UX recommendations to see exactly how many words you need to trim or how many seconds you need to add to achieve perfect pacing.

Frequently Asked Questions (FAQ)

What is a good WPM for YouTube videos?

For educational content, a conversational pace of 130 to 150 WPM is ideal. For fast-paced entertainment (like Shorts/TikTok), you can push towards 160-170 WPM, but you risk alienating non-native speakers.

Why do my subtitles feel too fast?

If your WPM exceeds 160, the average human eye struggles to read the subtitle before the screen changes. This creates cognitive overload and causes viewers to swipe away or pause the video constantly.

WCAG Accessibility Standards for Subtitles

The Web Content Accessibility Guidelines (WCAG) dictate that multimedia should provide users enough time to read and use content. For subtitles and captions, pacing is critical:

  • Comfort Zone (< 140 WPM): Ideal for all audiences, including non-native speakers and those with cognitive disabilities. Maximizes viewer retention.
  • Challenging Zone (141 - 170 WPM): Acceptable for high-energy entertainment, but may exclude segments of your audience. Keep subtitles short (max 2 lines).
  • Too Fast Zone (171+ WPM): Highly inaccessible. Viewers will miss critical information. You must either trim the script or extend the video duration.