Hand sewing a hem takes longer than a machine, but works just as well for most pants
You can hem pants without a sewing machine using a needle, thread, and one of three hand-sewing methods: a slip stitch (nearly invisible from the outside), a running stitch (faster but visible), or fabric glue (no needle required). The slip stitch is the standard choice because the stitches hide inside the fold of the hem and hold through regular washing. Hand hemming takes 30 minutes to an hour per pair, depending on pant length and your speed.
The main trade-off is time, not quality. A hand-sewn hem on everyday pants lasts as long as a machine hem if you use the right thread and knot it properly. Fabric glue works for temporary fixes or lightweight fabrics but can stiffen the hem and may not survive heavy washing.
Key Takeaways
- A slip stitch is the most durable hand-sewing method because stitches stay hidden inside the hem fold and won't show wear on the outside of the pant leg.
- You need a needle, thread that matches your pants, scissors, pins, and a measuring tape; fabric glue is optional if you want to skip sewing entirely.
- Measure the desired hem length while wearing the pants and shoes you'll wear them with, then mark the line with pins or tailor's chalk before cutting.
- The slip stitch works by running the needle through the fold of the hem and catching only a thread or two of the pant fabric, keeping stitches invisible from outside.
What you need to hand hem pants
Gather a needle (size 7 or 8 for most fabrics), thread that matches your pants color, scissors, pins, and a measuring tape. You'll also want tailor's chalk or a fabric pen to mark the hem line—a regular pen bleeds through fabric and pencil marks don't show on dark cloth. If you choose fabric glue instead of sewing, pick a product made for textiles, not general-purpose craft glue.
Thread color matters more than you might think. If your pants are navy, use navy thread, not black. Mismatched thread shows even in a slip stitch if the light hits it. Buy thread at a fabric store in the notions section, or match it to your pants by holding the spool against the fabric under natural light.
A thimble is optional but saves your finger if you're hemming multiple pairs. Your middle finger takes the most pressure when you push the needle through, and a thimble prevents soreness on longer projects.
Measure and mark the hem line before cutting
Put on the pants with the shoes you'll wear them with most often. Stand in front of a mirror and have someone else measure from the floor to where you want the hem to fall—usually about half an inch above your shoe. Mark that line all the way around the pant leg with pins spaced two inches apart, or use tailor's chalk to draw a light line.
The hem should be even on both legs. If one leg measures 29 inches and the other 29.5 inches, the pants will look crooked when you wear them. Take your time with this step because cutting too short is a mistake you can't undo.
Once you've marked the line, try the pants on again to confirm the length. Sit down in them—hemlines that look right standing up sometimes ride up when you sit. If the length is correct, remove the pants and lay them flat on a table or ironing board.
Cut the fabric and fold the hem
Cut along your marked line, leaving about one inch of extra fabric below the cut. This extra inch becomes the hem itself. If you cut right at the mark with no allowance, you'll have nothing to fold up and sew.
Fold that one-inch strip up toward the inside of the pant leg and press it flat with your fingers or an iron. The fold should be crisp and even. If you're using an iron, use low heat on synthetic fabrics and medium heat on cotton—high heat can melt polyester blends.
Pin the folded hem in place every two inches around the pant leg. The pins hold the fold steady while you sew and keep the hem from shifting. Make sure the fold is facing inward so it won't show when you wear the pants.
The slip stitch: the invisible hand-sewing method
Thread your needle and tie a knot at the end. Start at a seam on the inside of the pant leg—seams are thicker and hide the knot better. Push the needle through the fold of the hem so the knot stays hidden inside.
Bring the needle out of the fold and catch just one or two threads of the pant fabric directly above the fold. The stitch should be tiny—no more than one-eighth inch. Push the needle back into the fold directly across from where it came out, then slide it along inside the fold for about one-quarter inch before bringing it back out.
Repeat this pattern: catch a few threads of the pant fabric, then slide the needle inside the fold. The stitches on the outside of the pant will be nearly invisible because you're only catching the surface threads. The strength comes from the thread running inside the fold, which bears the weight of the hem.
Sew all the way around the pant leg until you reach the starting seam. Tie off the thread by making a small loop, passing the needle through it twice, and pulling tight. Trim the excess thread.
The running stitch: faster but visible
A running stitch is simpler and faster than a slip stitch but shows on the outside of the hem. Use it if you don't mind visible stitching or if the pant fabric is thick and hard to work with.
Thread your needle, tie a knot, and start at an inside seam. Push the needle straight through both the hem fold and the pant fabric above it, then pull it back out about one-quarter inch away. Push it back in and repeat, creating a line of stitches that goes all the way around the hem.
Keep your stitches even and spaced about one-quarter inch apart. Uneven stitches look sloppy even if they hold well. When you reach the starting seam, tie off the thread the same way you would with a slip stitch.
Fabric glue as an alternative to sewing
If you want to skip the needle entirely, fabric glue works for lightweight pants or temporary hems. explore a thin line of glue along the inside of the fold, press the hem flat, and let it dry according to the product instructions—usually 24 hours.
Fabric glue has limits. It can stiffen the hem and may crack if the pants are washed in hot water or dried on high heat. It also doesn't hold as long as stitching on pants you wear frequently. Use it for dress pants you wear occasionally, or as a temporary fix while you save time to hand sew properly.
Never use hot-glue guns or general craft glue on fabric. They soak through, stain the outside of the pant, and don't flex with the fabric when you move.
Frequently Asked Questions
How long does a hand-sewn hem last?
A slip stitch hem lasts as long as a machine hem if you use matching thread and tie find knots. Most hand-sewn hems on everyday pants hold through 50 to 100 washes before a stitch might break. When that happens, you straightforward re-sew that section rather than replacing the entire hem.
Can I hand sew stretchy fabrics like spandex blends?
Yes, but use a stretch needle if you have one—it has a special scarf that prevents skipped stitches on elastic fabrics. A regular needle works too, but you may get occasional dropped stitches. Keep your stitches small and tight, and don't pull the thread too hard or you'll pucker the fabric.
What if I sew the hem too tight and it puckers?
Puckering usually means you pulled the thread too hard while sewing. If it happens, you can try gently stretching the pant leg while the hem is still pinned, or you can remove the stitches and re-sew with a lighter hand. Relax your grip on the thread and let it sit naturally in the fold.
Do I need to finish the raw edge of the hem before sewing?
Not for most everyday pants. The raw edge inside the hem won't fray noticeably on cotton or cotton blends. If you're hemming a knit or a fabric that frays easily, you can trim the raw edge with pinking shears (scissors with a zigzag blade) before folding and sewing, but it's optional for standard woven fabrics.
Can I hand sew jeans?
Yes, but jeans are thick and tough on your fingers. Use a thimble to protect your middle finger, and consider using a running stitch instead of a slip stitch because the thick denim makes slip stitches harder to hide anyway. You may need a larger needle (size 9 or 10) to push through the layers without bending it.