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Speaking Time Calculator

Estimate a script’s speaking time at 150 words per minute. Check its word count, then rehearse to allow for pauses, delivery, questions and other audio.

Use this result well

Inputs that matter
The script text, typed, pasted or uploaded into the editor, up to 500,000 UTF-16 code units.
Output to expect
A word count and rounded speaking-time estimate, alongside the panel’s other text statistics.
How it works
Estimated minutes = counted words / 150. The fixed 150 words/minute rate is a planning assumption.
  • Use the Speaking Time result for a script; the Reading Time result uses a different fixed rate.
  • Add time for pauses, questions, demonstrations, interviews and music. Rehearse to measure the complete delivery.
  • Word boundaries can differ by language and browser. Copy and Print provide a statistics report, not a stopwatch record.

Model and estimate references

The fixed 150 words/minute rate is a planning assumption for the supplied script. It is not a measured delivery rate or a language-specific norm.

Use the Speaking Time result and rehearse the complete delivery to account for pauses, audience interaction, music and other audio. Native word segmentation is used where available; the CJK/whitespace fallback is approximate.

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Reference & details

How it works

Count the supplied text

The estimate uses the panel’s word count for the text in the editor. Word boundaries use Intl.Segmenter when available and the documented fallback otherwise.

Apply the fixed rate

Divide the counted words by the fixed assumption of 150 words per minute. This calculation excludes pauses and any part of the delivery that is absent from the script.

Estimated minutes = word count / 150

Review rounded output

The panel shows rounded seconds, minutes or hours as appropriate. Use the word count and rate when you need the unrounded arithmetic, and measure the actual activity before relying on a tight schedule.

Updated: September 2026

Example Scenarios

Count a simple ten-word passage and inspect its rounded estimate.

Text: One two three four five six seven eight nine ten.

→ 10 words; about 4 seconds at 150 words per minute.

Repeat the same ten-word sentence six times to check how duration scales.

Text: One two three four five six seven eight nine ten. One two three four five six seven eight nine ten. One two three four five six seven eight nine ten. One two three four five six seven eight nine ten. One two three four five six seven eight nine ten. One two three four five six seven eight nine ten.

→ 60 words; about 24 seconds at 150 words per minute.

Blank lines separate paragraphs without adding spoken or read words.

Text: One two three. Four five six.

→ 6 words and 2 paragraphs; about 2 seconds at 150 words per minute.

FAQ

Speaking time is counted words divided by 150. The tool uses 150 words per minute as a fixed planning assumption, not as a measured personal pace or a universal speaking rate.

This panel uses fixed rates: 238 words per minute for reading and 150 for speaking. For a personal estimate, divide the displayed word count by your measured words per minute. Time a representative passage to check the assumption.

Only the script’s counted words enter the estimate. Add time for pauses, audience interaction, demonstrations, interviews and non-speech audio, then confirm the complete duration in rehearsal.

The panel uses the browser’s Intl.Segmenter where available, with a whitespace/CJK-character fallback. Counts can differ by language and browser. Review the displayed word count, especially for mixed-language text, code or unusual punctuation.

Text analysis accepts up to 500,000 UTF-16 code units. The time is displayed as a rounded estimate alongside other text statistics. Copy and Print provide a statistics report; this panel does not run a stopwatch or track time spent reading.

About Speaking Time Calculator

Paste a script to estimate spoken duration using a fixed 150 words per minute. The result is a planning baseline. Rehearse and time the complete delivery to include your pace, pauses, questions, demonstrations and music.