The 4 Day Diet: Audiobook
According to The Books Insider's catalog data, The 4 Day Diet runs 3.1 hours as an unabridged audiobook, narrated by Ian K. Smith (about 2.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 3.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 7 days |
| 1 hour / day | 4 days |
| 2 hours / day | 2 days |
| 1 hour / day at 1.5× | 3 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 3.1 hours, it is shorter than 60% of the 4,141 Fitness, Diet & Nutrition audiobooks in our catalog.
More narrated by Ian K. Smith
Ian K. Smith narrates 6 unabridged audiobooks in our catalog, 19 hours in all.
About as long, on the Fitness, Diet & Nutrition shelf
250 Fitness, Diet & Nutrition audiobooks in our catalog run within 10% of this length. The most popular on the store:
- The Complete Anti-Inflammatory Diet: A 2-week Meal Plan to Heal The Immune System and Restore Overall Health By Resetting Your Metabolism And Losing Weight
- Intermittent Fasting For Women: A Ultimate step-by-step Guide to Starting Approaching Fasting and the Self-Cleansing Process of Autophagy for Permanent Weight Loss and Burn Fat in Simple, Healthy and Scientific Ways!
- Intermittent Fasting for Women: The Ultimate Essential Guide for Weight Loss, Burn Fat, Slow the Aging Process and Live Healthy
- Intermittent Fasting and Autophagy: Tips and Tricks to Trigger Autophagy, Lose Weight Quickly and Change Your Habits Without Suffering
- Weight Loss Forever!: NO FADS NO DIETS NO STRESS GET RESULTS IMMEDIATELY!
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
The 4 Day Diet is an audiobook by Ian K. Smith: a 3.1-hour unabridged recording, read by Ian K. Smith, released December 30, 2008, on the Fitness, Diet & Nutrition shelf.
The listen at a glance
- Length
- 3.1 hrs
- Narrated by
- Ian K. Smith
- Released
- December 30, 2008
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Fitness, Diet & Nutrition
- ISBN
- 9781427206213
How to listen to The 4 Day Diet free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is The 4 Day Diet as an audiobook?
The 4 Day Diet runs 3.1 hours unabridged. At 1.5× speed that drops to roughly 2.1 hours.
Is The 4 Day Diet free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The 4 Day Diet?
The 4 Day Diet is narrated by Ian K. Smith.