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Medium divides the wordcount of a post by 275 words per minute. For images they count 12 seconds for the first image, 11 seconds for the second image, and minus an additional second for each subseq...
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/45234 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
[Medium](https://blog.medium.com/read-time-and-you-bc2048ab620c) divides the wordcount of a post by 275 words per minute. For images they count 12 seconds for the first image, 11 seconds for the second image, and minus an additional second for each subsequent image. Any images after the tenth image are counted at three seconds per image. They emphasize that this is an estimation and that in the future, "we’d like to tailor it to your reading speed, account for the complexity of an article, and add support for other languages." [Google](https://patents.google.com/patent/US8260915B1/en) has registered a patent to calculate reading time for different sections of ebooks by measuring actual reading times of a sample of readers. [Psycholinguistics](https://scholar.google.de/scholar?q=psycholinguistics%20%22reading%20time%22) predicts reading time using complex grammatical models, data from eye tracking corpuses, and advanced statistical calculations.