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How long is a TED talk?

A TED talk lasts at most 18 minutes, which is about 2,700 words at a conversational pace. Many are shorter: a 12-minute talk is about 1,560 to 1,800 words.

Work it out

Line spacing
2,340–2,700

words, at 130 to 150 words a minute

At 140 words a minute
2,520 words
Script pages, double-spaced
9.4–10.8
Pages, single-spaced, Arial 12 pt
4.7–5.4
Reading it silently
11 min
Paragraphs
12–27

Write it in the word counter with a limit of 2,700 words.

Open the word counter

Words for TED talk at different speeds

PaceWordsDouble-spaced pages
Measured, 130 words a minute1,560–2,3406.2–9.4
Typical, 140 words a minute1,680–2,5206.7–10.1
Conversational, 150 words a minute1,800–2,7007.2–10.8

Estimates for US Letter or A4 with 1-inch (2.54 cm) margins and ordinary paragraphs; reading at 238 words a minute, speaking at 130 to 150.

Why 18 minutes

TED has kept talks to 18 minutes or less for years. Its curator, Chris Anderson, has explained the reasoning: long enough to be serious, short enough to hold attention, and about the length of a coffee break. TEDx events, which are run independently under licence, follow the same 18-minute maximum.

Planning the script

  • Pick one idea. TED’s own advice is that a talk should carry one idea worth spreading.
  • Write it, then learn the structure. Most good TED speakers write a full script and then practise until they can deliver it naturally.
  • Time with your real pace. Many TED speakers talk faster than 150 words a minute; paste your script into the word counter and read it aloud with a timer.

Questions and answers

How many words is an 18-minute TED talk?

About 2,340 to 2,700 words at 130 to 150 words a minute.

What is the shortest TED talk?

There is no minimum; some talks are only a few minutes. Many TEDx talks are 10 to 15 minutes.

How many pages is a TED talk script?

For 18 minutes, about 10.8 double-spaced pages at most.