Short answer: The best split for muscle gain is one that trains each muscle about twice a week and lets you do roughly 10–20 hard sets per muscle per week. Upper/lower on four days and PPL on five or six are the usual choices; full body works well on three.

What the goal demands from a split

Muscle growth responds to total weekly work, how hard you train, and how consistently you do it. A split is simply the tool that lets you fit enough quality sets for each muscle into the week.

That is why the best hypertrophy splits share two traits: each muscle gets two sessions, and no session is so long that the last sets are junk volume.

What matters most

Weekly sets per muscle

A common working range is about 10–20 hard sets per muscle per week. Beginners can grow on the low end; experienced lifters often need more. Our workout planner totals this for you.

Frequency of about twice a week

Splitting a muscle's weekly sets across two sessions keeps each session's sets higher quality than cramming them into one.

Train close to failure

Leave roughly one to three reps in reserve on most working sets. Sets far from failure do less for growth.

Progressive overload

Add reps, weight or sets over time. A log makes this easy to track.

Eat and recover

Growth needs enough energy and sleep. Use the TDEE and macros calculators to set a modest surplus.

Best split by training days

DaysSplitWhy
3 daysFull bodyThree weekly sessions per muscle; efficient for newer lifters.
4 daysUpper/lowerTwice-weekly frequency with good recovery — the best all-round choice.
5 daysPPL + upper/lower hybridMore weekly volume with most muscles twice a week.
6 daysPush pull legsHigh frequency and volume for those who recover well.

Sample week: Upper/lower for hypertrophy

MonUpper
TueLower
WedRest
ThuUpper
FriLower
SatRest
SunRest

Use a heavier rep range (6–10) on the first exercise of each day and 10–15 reps for the rest.

Load this split in the planner →

Exercises to build around

Upper body

Press, row, vertical pull, then delts and arms.

Lower body

Squat pattern, hinge pattern, then leg isolation and calves.

Common mistakes

Open the Split Finder for this goal →

FAQ

Is the bro split good for muscle gain?

It can be, but it trains each muscle once a week, so you need high per-session volume. Most lifters find twice-weekly frequency easier to manage.

How many days a week to build muscle?

Three to six, depending on schedule and recovery. Four is a strong default.

Do I need to change my split to keep growing?

Not usually. Progress by adding reps, weight or sets within the same split first.

Splits for other goals

General guidance, not personal coaching or medical advice.