3MT — Three Minute Thesis Timer
One static slide. Three minutes. One second over and you are disqualified. This timer runs the hard 180-second stop the University of Queensland rules describe, at the 125 WPM pace that leaves room for a non-specialist audience to actually follow the research.
A 3MT script is about 350 to 390 words at 125 WPM, and anything over 180 seconds is a disqualification. The official rules set no word count — only the clock. Plan to land between 2:40 and 2:50 so a slow start, a laugh or a missed cue cannot push you past three minutes. The bar above turns red if your draft runs long or the vocabulary density suggests you will lose the room.
Your script
Stage-direction tags — [pause 3s], [applause], [laugh],
[beat], [slide] — add real seconds and are never counted as spoken words.
Result
Type a word count or paste a script.
180s hard stop · 360-word target at 125 WPM · red if over 390 words or past 3:00 · 1 static slide
The official 3MT rules, item by item
The competition was founded at the University of Queensland in 2008 and is now run at hundreds of institutions. These are the rules host universities publish, in the wording the rule sheets use.
| Rule | What it means on stage |
|---|---|
| Time limit | 3 minutes maximum. Exceeding 3:00 means disqualification — there is no grace period. |
| Slide | One static PowerPoint slide, shown from the beginning. No transitions, animations or movement of any description. |
| Media & props | No additional electronic media. No props. The slide and the speaker are the entire presentation. |
| Delivery | Spoken word only. Poems, raps and songs are out of competition. |
| Start of clock | The presentation has commenced when the presenter starts through either movement or speech. |
| Adjudication | The decision of the adjudicating panel is final. |
Word count, syllable density, and why both matter
Published 3MT advice splits on word count. Rehearsal guides aimed at competitors recommend 300 to 380 words so there is slack for pauses and a slow start; general speaking-rate tables put a three minute slot nearer 390 at a 130 WPM delivery. The gap is not a contradiction — it is the difference between a script you read at a desk and one you deliver standing, with eye contact, under adjudication. The 125 WPM academic default on this page lands between the two: 360 words is about 2:53 of continuous speech, leaving seven seconds of slack you will actually use.
The variable the word-count guides ignore is density. A research talk built from polysyllabic technical nouns runs slower per word than a narrative talk of the same length, and the syllable model behind this calculator prices that in: dense scripts come back with a higher effective duration and a “very dense” flag. If your draft is over 390 words, cut modifiers and define-once terms rather than trimming the research question itself. If it is over on density but inside the word budget, you have a comprehension problem before you have a timing problem — and the judges will feel it even if the clock does not.
Rehearse in stages the way music students do: full script with a timer, then key phrases on index cards, then nothing. Every run should land between 2:40 and 2:50. Three consecutive runs inside that window is the signal that the pacing has moved from the page into your body, which is the only place it will live on competition day.
What the adjudicators are actually scoring
3MT judging sheets reward communication, not depth of literature review. Comprehension and content — did a non-specialist understand the research question, why it matters, and what the result was — typically carries the largest weight. Engagement and delivery — eye contact, pace, the absence of a recited monotone — carries the second largest. Presentation structure and the effectiveness of the single slide make up the remainder. A script that is scientifically complete but narratively flat loses to a script that makes one finding unforgettable.
That hierarchy has a direct scripting consequence: the methods paragraph does not belong in a 3MT. Neither does the literature review. The format rewards one question, one approach explained by analogy, one result with a number attached, and one implication. Everything else is a different talk wearing the same three minutes.
For rehearsal context, the timer above doubles as the countdown clock host universities sometimes display facing the presenter. Run it silent during practice so the yellow zone — the last thirty seconds — becomes a cue you feel rather than read.
Questions about Three Minute Thesis timing
About 350 to 390 words at the 125 WPM pace this calculator defaults to. Some practice guides say 300 to 380 to leave more room for pauses; the official University of Queensland rules set no word count at all — only the three minute clock. Write to 360 and rehearse to land between 2:40 and 2:50.
Competitors exceeding three minutes are disqualified. One static PowerPoint slide is permitted, presented from the beginning, with no animations, transitions or movement. No props, no electronic media, no poems, raps or songs — spoken word only. The presentation commences when the speaker starts through movement or speech.
A dense research vocabulary lowers comprehension for the mixed audience 3MT judges are drawn from, and it also slows your delivery: every additional syllable per word costs articulation time. The density check above flags scripts above roughly 1.8 syllables per word — if the read comes back red on density, define the term once and move on rather than stacking modifiers.
Memorise the structure, not the sentences. Competitors who recite a memorised script flatline under pressure and miss eye contact; competitors who work from six to eight anchor phrases keep the rhythm and recover naturally. Rehearse in stages: full script, then cue cards, then nothing — each run timed against the 180 second bar above.
Not on stage. Some host universities display a countdown facing the presenter so they can see remaining time; others keep the timer facing the timekeeper. In practice you will not be looking at it — the competitors who land inside three minutes have rehearsed a 2:40 to 2:50 finish so many times that the pacing is internal. Use the hard-stop bar here to build that internal clock.
Specialized speech timers
Formats with hard rules and their own pacing math. Each tool opens with that format’s default limits already set.
Public Comment & City Council Timer
3:00 civic mic-cutoff simulator with the green → yellow → red warning lights.
Graduation & Commencement Speech Timer
Stadium-pace timing with an applause buffer for valedictorian and commencement addresses.
PechaKucha 20×20 & Ignite Script Timer
20-slide grid with a 20-second word budget per slide and an auto-advancing rehearsal runner.