Working backwards from a time slot? The rule of thumb: multiply your minutes by your pace — at the average 140 wpm, a 5-minute slot means about 700 words, a 10-minute slot about 1,400. The calculator below does it for any length and pace, and if you’re writing for short-form video, paste the script to see instantly whether it fits YouTube Shorts (60s), Instagram Reels (90s) or TikTok limits:
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Word targets for common slots
| Time slot | Slow (110) | Average (140) | Fast (170) |
|---|---|---|---|
| 60 seconds | 110 | 140 | 170 |
| 90 seconds (Reels) | 165 | 210 | 255 |
| 3 minutes | 330 | 420 | 510 |
| 5 minutes | 550 | 700 | 850 |
| 10 minutes | 1,100 | 1,400 | 1,700 |
| 20 minutes | 2,200 | 2,800 | 3,400 |
Detailed guides with pacing advice exist for every common length — from the 1-minute speech through 5, 10 and up to the 60-minute keynote.
Short-form scripts: the modern time slot
The strictest time slots today aren’t conference stages — they’re platform caps. A Shorts script has 60 seconds (~140 words at average pace), a Reel 90 (~210 words), and AI voiceover tools typically read near 150 wpm by default, so a script that fits at 140 wpm fits in TTS too. Write to the word target, then verify with the fit checker above or time it paragraph-by-paragraph in the script timer.
FAQ
How many words is a 5-minute speech?
About 700 words at an average 140 wpm — between 550 (slow) and 850 (fast).
How many words fit in a YouTube Short?
Roughly 140 words at average pace for the 60-second cap — up to ~170 if you speak fast. Reels’ 90 seconds fit about 210 words.
What speaking rate do AI voiceovers use?
Most text-to-speech engines default to roughly 150 wpm — close to human average, so word targets calculated at 140–150 wpm transfer directly.
How many words is a page?
A double-spaced page runs roughly 250–300 words — about two minutes of speaking per page at average pace.