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Fact · Typing and writing speed

12times characters per second

To convert characters per second into words per minute, multiply by 60 seconds per minute and divide by 5 characters per word, which is the same as multiplying by 12.

Checked against its source on October 16, 2026

In the source's own words

“The transformation requires multiplying the entry speed in cps by 60 seconds/minute and dividing by 5 characters/word.”

A Note on Calculating Text Entry Speed, I. Scott MacKenzie, York University, Department of Electrical Engineering and Computer Science (author's research note), 2002, Words Per Minute.

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What it measures
MacKenzie's note explains the standard conversion used in text entry research for more than a century.
What it does not show
The conversion assumes the word is five characters. It says nothing about errors, which must be handled separately.

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Cited on

Characters per second times 12 gives words per minute | Yap