How many days a week to work out is whatever number you can repeat, anywhere from two to six, and the builder adjusts how hard each session is so that fewer days means slightly heavier sessions and more days means lighter ones.
Please check with your doctor before starting a new plan, especially after a long break, an injury or if you take medication.
What is the best number of workout days?
There isn't one. The best number is the one you will still be doing in week six. The builder lets you pick from 2 to 6 days a week and balances how many sessions you do against how hard each one should be.
Two workouts a week asks more of each session. Six asks less, because you are training on most days. If you are new or returning after time off, fewer days is a perfectly good start. The 3-day gym plan for after a long break shows what three days can look like.
How does days per week change the intensity?
Days per week is one of the setup answers that adjusts your starting percentage. The rule is simple:
- 5 or 6 workouts a week: 10 points lower
- Only 2 workouts a week: 10 points higher
- 3 or 4 workouts a week: no change
Here is an example for an intermediate trainee, who starts at 80%, with medium sessions and a general fitness goal.
| Days a week | Change | Example intensity |
|---|---|---|
| 2 | +10 | 90% |
| 3 | none | 80% |
| 4 | none | 80% |
| 5 | -10 | 70% |
| 6 | -10 | 70% |
Other answers, such as session length and goal, adjust the number too. The percentage always stays between 50% and 120%.
How does the builder spread the workouts across the week?
Workouts are spread out so that you aren't stacking hard days back to back. Three workouts fall on days 1, 3 and 5. Four workouts fall on days 1, 2, 4 and 5. Day 1 is Sunday or Monday, depending on whether you take the tactical advantage option.
No workout repeats during the week, and the builder avoids back-to-back identical formats where it can.
Rest days still have a job. Every day recommends 10,000 steps (adjustable from 0 to 30,000), and rest days suggest about 10 minutes of stretching. More on that in 10,000 steps a day with a workout plan.
Why do more days mean lighter sessions?
Total effort across the week is what your body has to absorb. Train six days at full intensity and you leave little room to recover, so each session is gentler. With only two workouts, each one carries more of the week, so the builder nudges the percentage up. Short on time? These 15-minute workouts for busy dads fit when two days is all you have.
How do you choose your number?
Start with the days you can protect, not the days you wish you could do. A realistic three beats an ambitious six that falls apart by Thursday.
- Count the days where a workout is truly possible.
- Subtract one if the week looks unpredictable.
- Pick that number and let the check-in guide next week.
If you skip sessions, that is useful information too. See only finished half your workouts for what the builder does after a patchy week.
FAQs
Is two days a week enough?
It is a real plan, and the builder supports it. With two workouts a week it raises the starting intensity by 10 points to make each session count.
Is six days too many?
It can suit some people, but it leaves less recovery. The builder lowers the starting intensity by 10 points for five or six days, and your check-in answers can pull it back further.
Can I change the number of days later?
Yes. You can rebuild with a different number of days, or use "Make rest day" and "Add a workout" on individual days.
The bottom line
Pick the number of days you can actually repeat and let the builder balance the intensity around it. You can change it next week. Build your weekly plan.
Go train, FATBOY.
This article is general information, not medical advice. Train at your own risk. If you have a health condition, take medication or are unsure whether exercise or a diet change is right for you, talk to your doctor first.
- weekly plan
- workout frequency
- intensity