Free tool
Script length calculator: words to video minutes
Convert a script to a runtime, or a runtime to a word budget, as you type.
Your script
0 / 40,000
Or start from a length
2 min at 150 words a minute is a budget of 300 words
Runtime
Worked example
The opening of a compliance refresher, read at 150 words a minute.
120 wpm
24s
150 wpm
19s
180 wpm
16s
Words
48
Sentences
5
At 150 wpm
19s
About 3 scenes
Short scripts run shorter than people expect. Start typing and these numbers become yours.
1. Paste the narration. 2. Read the runtime. 3. Or start from a length. 4. Plan the scenes.
What Interlace does
Set the length. Interlace writes to it.
- Pick the video length first
- The script is written to fit it
- Scenes are timed to the narration
Real Interlace output, unedited. Shown silent and sped up.
Your script
212 words
1 min 25 s at 150 words a minute
Questions
Asked and answered
150 words a minute is the safe default for a clear corporate narrator and the speed our own scene timings assume. Use 120 for dense technical or compliance material that needs room to land, and 180 for an upbeat promo read.
No. Only spoken words take time. Type the narration alone, and leave headings, labels and slide text out of the box, or the runtime will read long.
Ten scenes a finished minute, which is the pacing our pricing page assumes and roughly how a designed explainer sits: a beat every six seconds. It is a planning number, not a rule.
Yes. Set the target runtime and, if the script is over its word budget, press Shorten. The budget is the target in seconds times your words a minute, divided by 60. The script is sent to our language model, which cuts repetition and filler and keeps the facts and the order. Counting alone never sends anything.
Pauses, breaths and any music bed. A word count model cannot see them. Add a little room if the script has a lot of lists or numbers, both of which are read slowly.
Turn this into a video
Create an account and start from a document, script, or prompt.