How long should a short-form video be?
Long enough to make the point and no longer — which in practice means writing to a spoken duration rather than a word count. A minute of natural narration is roughly 165 words, but that figure moves with the words you choose and with how fast the delivery is, which is why timing the actual script beats any rule of thumb.
Why word count is the wrong unit
Two scripts of identical length can differ by many seconds when spoken.
Numerals, technical terms, proper nouns and punctuation all take longer to say than their character count suggests, and a comma is a pause that no word counter sees. Estimating from characters gets closer than counting words, which is what the script timer does — it works from about 15 characters per second of speech, the same basis the video pipeline uses when it fits narration to a target duration. So a script that times correctly there is one that fits the video generated from it.
Script length by target duration
Approximate word counts at each speaking pace. Treat them as a starting point, then time the real script.
| Target | Slow | Medium | Fast |
|---|---|---|---|
| 15s | ~35 | ~40 | ~50 |
| 30s | ~70 | ~80 | ~100 |
| 45s | ~105 | ~125 | ~145 |
| 60s | ~140 | ~165 | ~195 |
| 90s | ~210 | ~245 | ~295 |
Writing to a duration
Four habits that make a script land on time.
- Write long, then cut. Trimming keeps your strongest lines; padding adds your weakest.
- Leave headroom. A script timed to exactly 60 seconds has no room for a pause, a beat before the punchline, or a breath.
- Count only what is spoken — stage directions, shot notes and speaker labels inflate the estimate if you leave them in.
- Decide the pace deliberately. The same script at a fast delivery can be several seconds shorter, which is often the whole gap.
Paste your script into the script timer to get the real figure at each pace, and whether it fits a Reel, a Short or a feed post. It runs entirely in your browser and needs no account.
Why length is worth settling early
In a finished production the narration is generated from the script and the scenes are cut to match it, so the spoken length effectively sets the length of the video. Changing it afterwards means regenerating the clips that were built around it — which makes the script the cheapest place to make the decision, and the timer the cheapest way to check it.
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