Sewing a skirt zipper is a learnable skill that takes about an hour once you have the pieces cut and marked

A zipper in a skirt runs up the back or side seam and lets you step into the garment without stretching the waistband. The zipper itself sits inside the seam allowance — the fabric margin between the cut edge and the stitching line — so it stays hidden when the skirt is worn. You sew it in after you have joined the front and back panels but before you attach the waistband.

The process has three stages: pinning the zipper to one side of the opening, sewing it down, then pinning and sewing the other side. The hardest part is keeping the zipper foot aligned so your stitches stay parallel to the teeth. If you have already sewn a basic seam, you can sew a zipper.

Key Takeaways

  • A zipper foot — a presser foot that sits to one side of the needle — is essential because a regular foot cannot get close enough to the zipper teeth.
  • Pin the zipper face-down on the seam allowance of one side, with the teeth sitting just inside the fold line where the seam will close.
  • Sew the first side with the zipper foot, keeping the needle about one-eighth inch from the teeth, then flip and repeat on the other side.
  • The seam that closes the opening is sewn after the zipper is in, using a regular presser foot and a stitch that runs below the zipper pull.

What you need before you start

Gather a zipper that matches your skirt length — measure from where the waistband will sit to where the opening ends, then add one inch. A standard dress zipper (also called a coil or metal zipper) works for most skirts. You will also need a zipper foot, which is a narrow presser foot that lets the needle sit close to the zipper teeth. Most sewing machines come with one, but if yours did not, they cost three to eight dollars and fit any standard machine.

You will also need thread that matches your skirt fabric, a seam ripper (to undo mistakes), pins, and scissors. Have your skirt pieces already cut and marked with the seam lines — usually a line of chalk or tailor's tacks showing where the opening begins and ends.

Pinning the zipper to the first side

Place one side of the skirt opening face-up on your work surface. The seam allowance — the raw edge — should face toward you. Lay the zipper face-down on top of that seam allowance, with the zipper teeth running parallel to the fold line (the edge where the seam will close). The top of the zipper should sit about half an inch below the waistband seam line.

Align the zipper teeth so they sit just inside the fold line — not on the fold itself, but about one-eighth inch inward. This gap lets the seam close over the teeth without catching them. Pin the zipper tape (the flat fabric on either side of the teeth) to the seam allowance, using pins every two inches. The zipper should lie flat and not twist.

Sewing the first side of the zipper

Attach the zipper foot to your machine and thread it with matching thread. Lower the presser foot and position the needle so it will sew along the edge of the zipper tape, about one-eighth inch from the teeth. This distance is crucial — too close and the needle hits the teeth; too far and the seam allowance shows when the zipper is closed.

Sew from the top of the zipper down to the bottom, removing pins as you go. Sew slowly so you can keep the needle line straight. When you reach the zipper pull, stop with the needle down, lift the presser foot, slide the pull up and out of the way, lower the presser foot again, and continue sewing. Backstitch at the end to lock the thread.

Pinning and sewing the second side

Flip the skirt so the other side of the opening faces up. Lay the zipper face-down on this seam allowance, with the teeth aligned the same way as the first side — just inside the fold line. Pin it in place every two inches, making sure the zipper lies flat and does not twist.

Attach the zipper foot again and sew along the edge of the zipper tape, keeping the same one-eighth inch distance from the teeth. Sew from top to bottom, moving the zipper pull out of the way when you reach it. Backstitch at the end.

Closing the opening below the zipper

Once both sides of the zipper are sewn, you need to close the opening below the zipper pull. Switch back to your regular presser foot. Fold the skirt so the opening edges meet, with the zipper sandwiched between them. Pin the opening closed below the zipper, starting about one inch below the zipper pull.

Sew the opening closed using a regular straight stitch, starting where the zipper ends and sewing to the bottom of the opening. Backstitch at both ends. This seam runs perpendicular to the zipper and closes the gap that the zipper does not cover.

Pressing and checking your work

Press the seams flat with an iron set to the heat level for your fabric. Press from the inside first, then flip and press from the outside. The zipper should move smoothly up and down without catching, and the seams should lie flat on either side of the teeth.

If the stitching is crooked or too far from the teeth, use a seam ripper to remove the thread and re-sew. If the zipper catches, check that the teeth are not twisted and that the seam allowance is not folded into the opening. A small amount of catching usually smooths out after a few uses.

Frequently Asked Questions

Can I use a regular presser foot instead of a zipper foot?

No. A regular foot is too wide and sits over the zipper teeth, preventing the needle from getting close enough to the tape. The stitches end up far from the teeth, and the seam allowance shows. A zipper foot costs very little and takes 30 seconds to swap on.

What if my zipper is longer than the opening?

Trim the zipper tape (not the teeth) at the bottom so it ends about half an inch below the opening. You can also sew across the teeth at the bottom with a few stitches to stop the pull from sliding off, though this is optional for skirts.

Why does my zipper pull get stuck when I sew?

The pull gets in the way of the presser foot as you sew down. Stop sewing, lift the presser foot, slide the pull up toward the waistband, lower the presser foot, and continue. This is normal and takes only a few seconds.

Should the zipper be centered in the seam allowance?

No. Position it so the teeth sit just inside the fold line (about one-eighth inch inward), with most of the tape on the seam allowance side. This leaves room for the seam that closes the opening and keeps the teeth hidden.

What happens if I sew too close to the zipper teeth?

The needle can hit the metal or plastic teeth and break. If this happens, remove the broken needle, replace it, and re-sew that section. Sew about one-eighth inch away from the teeth to avoid this.