How To · Fashion · Build
How to Hem Trousers Without a Tailor
A proper hem is non-negotiable—and you don't need a tailor to achieve it. We'll walk you through the hand-stitching method that works on any trouser, from tailored wool to soft linen.
5 min read · IrisHemming trousers by hand is genuinely easier than you think—and infinitely cheaper than a tailor visit. The blind stitch (also called a ladder stitch) is invisible from the outside, which means your hem looks professionally finished without the professional price tag.
All you need is a needle, thread that matches your trousers, scissors, and a measuring tape. The entire process takes about 10 minutes once you've marked your desired length. This method works on everything from tailored dress pants to denim to linen.
The blind stitch creates an invisible seam from the inside—your hem will look like it never left the factory.
What you'll need.
- 01Hand-sewing needle (size 7 or 8)
- 02Thread matching trouser color
- 03Sharp fabric scissors
- 04Measuring tape
- 05Tailor's chalk or fabric pen
- 06Iron (optional but helpful)
- 07Thimble (optional, protects your finger)
Step one · 1 minute
Try on and mark your length
Put on the trousers with the shoes you'll wear them with. Have someone mark the desired hem length with tailor's chalk or a fabric pen while you stand naturally. The hem should just graze the top of your shoe. Mark all the way around the leg, then take off the trousers and measure the distance from the original hem to your new mark.
If you're marking alone, use a mirror and mark small sections at a time. Consistency matters more than speed.
Step two · 2 minutes
Cut away excess fabric
Lay the trousers flat on a clean surface with the inside facing up. Using sharp scissors, cut off the excess fabric about 1 inch below your marked line. This leaves you with enough fabric to fold and stitch without bulk. Cut straight across—a crooked cut will show when you hem.
Leave extra fabric on the first leg in case you need to adjust. You can always cut more, but you can't add back what you've removed.
Step three · 1 minute
Fold and press the hem
Fold the raw edge of the trouser leg up about half an inch and press it flat with your fingers or a warm iron. Then fold that folded edge up again to your marked line, creating a double-fold hem. This encases the raw edge and prevents fraying. Press the fold firmly so it holds its shape while you stitch.
A light steam press makes this easier, but finger-pressing works fine if you don't have an iron. The goal is a crisp, visible crease.
Step four · 1 minute
Thread your needle and knot the end
Cut about 18 inches of thread that matches your trousers. Thread your needle and tie a small knot at one end. For added strength, run the thread through beeswax or thread conditioner if you have it—this prevents tangling and makes the thread glide smoothly through fabric.
Match thread color to the trouser fabric, not the lining. The stitch will be invisible from the outside, so inside color doesn't matter.
Step five · 4 minutes
Execute the blind stitch
Start at an inside seam where your stitches will be hidden. Bring the needle up through the folded hem, then insert it directly across into the trouser leg fabric (not the hem). Move your needle horizontally inside the trouser leg about a quarter inch, then bring it back out and insert it into the hem fold directly across from where you exited. Repeat this crisscross pattern all the way around the leg, keeping stitches small and even. The thread should run inside the fold and inside the trouser leg—never visible from the outside.
Go slowly and keep tension consistent. Tight stitches can pucker the fabric; loose stitches won't hold. Aim for a gentle, even tension that lets the fabric lie flat.
Step six · 1 minute
Finish and press
When you reach the end, tie off your thread by making a small knot inside the fold, then run the needle through the fold a few more times to hide the knot. Trim the excess thread. Turn the trouser right-side out and give the hem a final press with an iron to set the stitches and remove any creases from handling.
Press from the inside of the trouser leg to avoid shine marks on the outside fabric.
How to know your hem is finished
A well-hemmed trouser should hang straight, feel secure when you tug gently at the fabric, and show no visible stitches from the outside. The hem should sit at the same length all the way around the leg, and the fold should feel crisp but not stiff.
Questions at the mirror.
My stitches are showing on the outside. What went wrong?
You're likely stitching too close to the edge of the fold or pulling the thread too tight. The blind stitch should run inside the fold and inside the trouser leg. Rip out the visible section and try again, keeping your needle path strictly horizontal and your tension gentler.
The hem keeps coming loose after a few wears.
Your stitches are too far apart or your knot came undone. Redo the section with stitches closer together (about every quarter inch) and tie a double knot at the start and end. You can also reinforce by stitching over the same path twice.
Can I use this method on stretchy fabrics like ponte or knit trousers?
Yes, but use a stretch needle and slightly looser tension so the thread doesn't snap when the fabric moves. Consider using elastic thread or a ballpoint needle designed for knits. The blind stitch still works—just be gentler.
What if my trousers have a cuff? Do I hem differently?
Cuffed trousers are hemmed inside the cuff. Fold your hem as usual, but stitch only to where the cuff begins. The cuff itself stays untouched. This keeps the cuff structure intact.