Free ebook reading calculator

EPUB reading time calculator

Upload an EPUB to estimate its total reading time, daily reading goal, and how many days it could take you to finish the book.

Private by design — your EPUB never leaves your browser

Calculate EPUB reading time

Drop your .epub file here, or choose it from your device.

DRM-free EPUB · Maximum 100 MB · Nothing is uploaded

Accurate ebook word count

Adjustable reading speed

Personal daily finish estimate

How it works

1
Select your EPUB
Choose a DRM-free .epub file from your device.
2
Process it privately
Your browser opens and analyzes the file locally.
3
Get your result
Use the tool immediately—no signup or installation required.

Questions, answered

How is EPUB reading time calculated?

The tool counts readable words in the EPUB and divides the total by your chosen reading speed in words per minute.

What is an average reading speed?

Many adults read between 200 and 300 words per minute, although difficult or technical books may take longer.

Can I calculate a daily reading goal?

Yes. Choose how many minutes you can read each day to estimate how many days you need to finish the book.

From opening books to finishing them

Readlyst helps you set a realistic schedule, build a streak, and finish more of the books you start.