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Reading Speed and Time to Finish Book Calculator

Time = word count / WPM — how long to finish a book.

Calculates how long it takes to read a book based on reading speed (WPM) and total word count. Average adult reading speed is 200–300 WPM.

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Time (min) = word_count / WPM; Pages = word_count / 250

In depth

Calculates how long it takes to read a book based on reading speed (WPM) and total word count. Average adult reading speed is 200–300 WPM.