How To · Fashion · Build
Hem Your Jeans by Hand—No Machine Required
A hand-sewn hem is invisible, durable, and requires only a needle, thread, and patience. Here's how to do it right the first time.
5 min read · IrisHemming jeans by hand is one of those small skills that pays dividends. You'll save money, keep your favorite pairs in rotation, and avoid the wait at a tailor. The blind stitch—the technique we're using here—is nearly invisible from the outside and holds up through dozens of washes.
All you need is a needle, thread that matches your jeans, scissors, and about ten minutes. No machine, no special equipment, no excuses.
The blind stitch is nearly invisible from the outside and holds up through dozens of washes.
What you'll need.
- 01Needle (size 7 or 8)
- 02Thread (color-matched to jeans)
- 03Sharp scissors
- 04Tailor's chalk or fabric pencil
- 05Measuring tape
- 06Iron (optional)
Step one · 1 minute
Measure and mark your hem length
Put on the jeans with the shoes you'll wear them with. Have someone measure from the floor to where the hem should hit—typically a half-inch above your shoe. Mark this line with tailor's chalk or a fabric pencil all the way around the leg. Remove the jeans and try them on again to confirm the length feels right.
Err slightly longer rather than shorter. You can always take up more fabric later.
Step two · 2 minutes
Cut and fold the excess fabric
Lay the jeans flat on a table. Cut along your chalk line, leaving about one inch of extra fabric below the mark. Fold that inch of fabric up toward the inside of the leg, creating a clean fold at your marked line. Press this fold flat with your fingers or a hot iron to crease it. The crease is your guide for the blind stitch.
A light steam press makes the fold stay in place while you sew, but finger-pressing works fine too.
Step three · 1 minute
Thread your needle and knot the end
Cut about 18 inches of thread that matches your jeans—navy, black, or whatever color you need. Thread it through your needle and tie a small knot at one end. If you're nervous about the knot showing, you can hide it inside the fold by taking a small stitch in the fold itself before you begin the blind stitch proper.
Use a single strand, not doubled thread. It's easier to control and creates a thinner, less visible seam.
Step four · 5 minutes
Execute the blind stitch
Start inside the fold, bringing your needle out through the crease line. Take a tiny stitch (about 1/8 inch) directly across into the main body of the jeans, just below the fold. Bring the needle back out through the fold about 1/4 inch to the side. Repeat this pattern—stitch into the jeans, come back out through the fold—all the way around the leg. Keep your stitches small and even. The thread should sit mostly inside the fold, barely visible from outside.
Go slowly. Tiny, consistent stitches are more important than speed. If you pull too tight, the fabric will pucker.
Step five · 1 minute
Secure and finish
When you reach the end of the leg, take two or three small stitches in the same spot to lock the thread. Bring the needle to the inside of the fold and tie a knot. Trim the excess thread. Try on the jeans to check the length and make sure the hem lies flat.
If you see the knot through the fabric, hide it by weaving the needle through the fold for an inch before tying off.
How to know it works.
A successful hand-hemmed jean should have an invisible or nearly invisible stitch line from the outside, a crisp fold that doesn't bunch or pucker, and a hem that stays in place through multiple wears and washes.
Questions at the mirror.
The thread keeps breaking.
You're pulling too hard. The blind stitch should be snug but not tight. Let the needle do the work. Also check that your needle isn't too small for the thread—a size 7 or 8 needle works well for most denim.
I can see the stitches from the outside.
Your stitches are too long or you're going too far into the main fabric. Aim for 1/8-inch stitches that sit mostly in the fold. Practice on scrap fabric first if you're unsure.
The hem came undone after one wash.
Your knots weren't secure enough, or you didn't lock off the thread properly at the end. Always tie at least two knots and weave the needle through the fold to hide them.
One leg is longer than the other.
Measure and mark both legs while wearing the jeans with the shoes you'll wear them with. The floor, your posture, and your shoes all affect the hang. Remeasure if needed.