Micro-lectures fail on length: a script that feels short on paper runs nine minutes on camera, and students stop watching at six. This free script timer converts your script into minutes at a real speaking speed, paragraph by paragraph, so you can cut before recording instead of after. No sign-up.
What this tool does
Video length is a teaching decision, not an accident. Research on micro-lectures consistently favors short videos: engagement drops sharply after six minutes, and a ten-minute video often gets watched once at double speed, which is not learning.
Timing a script before recording is the cheapest edit in video production. Cutting words on paper costs nothing; cutting recorded video costs retakes, re-edits, and lost momentum.
Per-paragraph timings show where the time actually goes. Teachers usually discover one paragraph carrying half the video, and that paragraph is the one to split, simplify, or turn into its own video.
How to use it
- Paste your script, with paragraphs separated by blank lines.
- Set your speaking speed; 150 words per minute is a natural default.
- Click time script.
- Cut or split any paragraph that runs long, then re-time.
Speaking speed is personal. Fast talkers reach 170 words per minute, slow and careful speakers sit near 130. Time yourself reading a hundred words aloud once, and use your real number afterwards.
Worked example
A two-paragraph script of about sixty words at 150 words per minute runs 0.40 minutes, or twenty-four seconds. That is a teaser, not a lecture, and the teacher knows immediately that the script needs more substance, not less.
A full script of nine hundred words at the same speed runs six minutes exactly, which is the sweet spot for a micro-lecture. The teacher records with confidence, knowing students will likely watch to the end.
When one paragraph alone runs three minutes, the teacher splits it into two videos with a practice question between them. Two short videos with a pause beat one long video every time, for attention and for memory.
Honest limits
Word counts ignore pauses, demonstrations, and on-screen work. A script with a two-minute worked example on screen runs longer than its words suggest. Add demonstration time separately when planning the final video length.
Tips
Write for speaking, not reading. Short sentences, spoken transitions, and explicit signposts (“first, second, finally”) sound natural on camera and keep the word count honest.
Common mistakes
The classic mistake is recording first and timing later. By then, cutting feels like losing work, so teachers publish long videos and hope students watch. Time first, record second, every time.
How it fits your week
Time scripts during video planning, before any recording session. A timed script list for the week lets you batch-record several micro-lectures in one session with known lengths.
Short videos respect student attention, and attention is the scarcest resource in online learning. A script timer does not make your teaching better by itself, but it makes your videos watchable, which is the precondition for everything else. Paste the script, read the minutes, cut ruthlessly, and record only what fits the format. Students will thank you by actually finishing the video, and finishing is where learning starts. A timed script also makes collaboration easier, because a co-teacher can record your script and hit the same length without guesswork.
FAQ
What speed should I use?
Start with 150 words per minute, then measure yourself once by reading a timed passage aloud. Your personal speed is the only number that matters for your videos.
How long should a micro-lecture be?
Aim for under six minutes for a single concept. Longer topics deserve two videos with a question between them, not one video students abandon halfway.
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