How long does it take to listen to an average audiobook?

The average nonfiction audiobook runs 8-12 hours, while fiction can range from 8 to 30+ hours for long fantasy novels. At 1x speed you cover roughly 60 pages per hour. At 1.5x speed, a 10-hour audiobook takes about 6.5 hours. Most commuters listening 30 minutes daily can finish 1-2 audiobooks per month depending on book length.