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Reading Time Calculator

WPM

Result

Calculated result 1.5 Based on the values entered.
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Reading Time Calculator Estimate reading time for a book/article. Time = (Pages × Words/Page) / Reading Speed (WPM). — free online calculator.

Formula

Time = (Pages × Words/Page) / Reading Speed
  • Reading Time Calculator calculates its result from Number of Pages, Words per Page, Reading Speed (WPM). It uses the formula Time = (Pages × Words/Page) / Reading Speed. Change any input to recalculate the result instantly.
  • The main inputs are Number of Pages, Words per Page, Reading Speed. Enter them in the units and format shown in the calculator.
  • Use the units, labels and assumptions shown beside each input so the formula is applied consistently.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Reading Time

Inputs
  • Number of Pages: 300
  • Words per Page: 250
  • Reading Speed: 200 WPM

Using Number of Pages = 300, Words per Page = 250, Reading Speed (WPM) = 200, the calculated result is 1.5.

Sample result: Calculating…

Frequently asked questions

What does the Reading Time calculate?

Reading Time Calculator Estimate reading time for a book/article. Time = (Pages × Words/Page) / Reading Speed (WPM). — free online calculator.

Which values should I enter?

Enter Number of Pages, Words per Page, Reading Speed using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Time = (Pages × Words/Page) / Reading Speed.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026