Skip to content
Bookyno

How long does it take to read 400 pages?

At an average pace of 30 pages an hour, 400 pages take about 13 hours 20 minutes. A slow, careful reader needs about 20 hours; a quick reader about 6 hours 40 minutes.

A daily plan for 400 pages

Spread over a week, 400 pages are about 58 pages a day, or 114 minutes at an average pace. At 20 minutes a day, you would finish in 40 days.

Try it with your own pace

Calculate Your Reading Time

pages

Book reading duration

How many days will it take?

hrs
min
days

How long does it take to read 400 pages?

At an average pace of 30 pages an hour, 400 pages take about 13 hours 20 minutes. A slow, careful reader needs about 20 hours; a quick reader about 6 hours 40 minutes.

Reading time by number of pages

PagesSlow (20 pages/h)Average (30 pages/h)Quick (60 pages/h)
1030 min20 min10 min
201 hrs40 min20 min
301 hrs 30 min1 hrs30 min
402 hrs1 hrs 20 min40 min
502 hrs 30 min1 hrs 40 min50 min
603 hrs2 hrs1 hrs
703 hrs 30 min2 hrs 20 min1 hrs 10 min
804 hrs2 hrs 40 min1 hrs 20 min
904 hrs 30 min3 hrs1 hrs 30 min
1005 hrs3 hrs 20 min1 hrs 40 min
1206 hrs4 hrs2 hrs
1507 hrs 30 min5 hrs2 hrs 30 min
20010 hrs6 hrs 40 min3 hrs 20 min
25012 hrs 30 min8 hrs 20 min4 hrs 10 min
30015 hrs10 hrs5 hrs
40020 hrs13 hrs 20 min6 hrs 40 min
50025 hrs16 hrs 40 min8 hrs 20 min

Typical paperback pages of about 250–300 words. Dense non-fiction is slower; dialogue-heavy fiction is faster. Use the calculator above with your own pace for a closer number.

Frequently asked questions

Track Your Reading Time Automatically

Bookyno logs every reading session so you always know how much you've read, no manual calculations needed.