There is no universally correct way to fold jeans. There is only the method that fits the storage you actually have.
The flat shelf fold
Lay the jeans flat and smooth the legs
Close the zipper or buttons if that helps the waistband lie flatter.
Fold one leg over the other
Align the outer seams.
Fold the crotch point inward
This makes the rectangle cleaner instead of leaving a triangle sticking out.
Fold the legs upward
Bring the hems toward the waistband, then fold once more if the shelf is shallow.
The vertical drawer fold
Start with the same leg-over-leg rectangle. Fold the jeans into thirds rather than halves, creating a compact block that can stand with the folded edge upward.
You can see every pair
Vertical storage avoids a tall stack where the bottom jeans disappear.
Deep drawers
The block needs enough height to stand without collapsing.
Heavy jeans behave well
Thicker fabric often holds the vertical fold better than soft trousers.
Size the fold to the drawer
The furniture decides the final dimensions, not an internet diagram.
The suitcase roll
Fold the jeans lengthwise first, then roll from the cuffs toward the waistband. Rolling does not magically create extra luggage volume, but it can produce compact, easy-to-place shapes and reduce messy stacks.
Match the fold to the storage
Flat fold
Looks clean and stays stable.
Vertical fold
Makes every pair visible at once.
Roll or compact rectangle
Use whichever fills awkward gaps better.
Hang selected pairs
If drawer folding creates chaos, hanging the jeans you wear most may be simpler.
The best folding method is the one you can repeat in 20 seconds
A beautiful drawer that takes ten minutes to rebuild every laundry day is not organized.
Choose the fold that fits the furniture, makes your favorite jeans easy to see and is simple enough to become automatic.