The Basic Steps for Adding Pockets to Pants

Sewing pockets into pants means stitching a fabric pouch to the inside or outside of the leg, then securing it to the waistband or side seam. The most common method for home sewers is the patch pocket—a rectangle of fabric sewn flat to the outside of the pant leg—because it requires no pattern adjustment and works on finished pants. A side seam pocket (built into the seam itself) is more professional-looking but requires opening the seam, which is harder on already-made pants. This guide covers patch pockets, which take two to four hours for a beginner and need only basic supplies: thread, scissors, a needle or sewing machine, and fabric for the pocket.

The pocket itself is straightforward two pieces of fabric cut to size, sewn together on three sides, turned right-side-out, and then stitched to the pant leg. The opening faces up so your hand can reach inside. Placement matters—pockets sit roughly 4 to 5 inches below the waistband on the front or back of the leg, centered left or right depending on which side you want them.

Key Takeaways

  • Patch pockets are the easiest method for adding pockets to finished pants and require only two pieces of fabric, thread, and basic stitching.
  • Cut pocket pieces 5 to 6 inches wide and 6 to 7 inches tall, then sew them together on three sides before turning them right-side-out and pressing flat.
  • Position the pocket opening 4 to 5 inches below the waistband, centered on the front or back of the leg, and mark the placement with a pencil before stitching.
  • Stitch the pocket to the pant leg using a straight stitch or box stitch for strength, sewing through all layers including the pocket back and the pant fabric.
  • Reinforce the top corners of the pocket with extra stitches or a small triangle to prevent the pocket from tearing when you put weight in it.

Measure and Cut Your Pocket Pieces

Start by deciding how large you want the pocket opening to be. A typical pocket opening is 4 to 5 inches wide and 5 to 6 inches tall—large enough for a phone or hand, but not so large that it looks out of proportion on the pant leg. Write these measurements down so you do not change them halfway through.

Cut two identical rectangles from your fabric. If you are using the same fabric as the pants, cut from a scrap or leftover piece. If you want a contrasting pocket (a common design choice), use a different color or pattern. Add 1/2 inch on all sides for seam allowance—so if your opening is 4 inches wide, cut the rectangles 5 inches wide. Cut them 7 to 8 inches tall to account for the seam allowance and the fold at the top of the pocket opening.

Press both pieces flat with an iron on medium heat. Wrinkles make it harder to sew a straight line and harder to see where your stitches are going.

Sew the Pocket Pieces Together

Place the two rectangles with the right sides (the pretty sides) facing each other. Pin them together around all four edges so they do not shift while you sew. Using a needle and thread or a sewing machine set to a straight stitch, sew around three sides: the bottom and both long sides. Leave the top edge open—that is where your hand will go into the pocket.

Use a 1/2-inch seam allowance (the distance between the edge of the fabric and your stitch line). Sew slowly and keep your line straight. If you are using a machine, use a stitch length of 2 to 2.5 millimeters—small enough to hold the fabric securely but not so small that the thread bunches. Backstitch at the start and end of each seam to lock the thread.

Trim the corners of the sewn pocket at a 45-degree angle, cutting away the excess fabric about 1/4 inch from the corner stitch. This prevents the corners from bunching when you turn the pocket right-side-out. Do not cut into the stitches themselves.

Turn the Pocket Right-Side-Out and Press

Reach through the open top edge and grab the fabric inside. Gently pull the pocket inside-out through the opening, so the right sides (the pretty sides) now face outward. Use a blunt tool like a chopstick or the back of a spoon to push the corners out from the inside so they are sharp and square, not rounded.

Press the entire pocket flat with an iron on medium heat. Pay special attention to the top edge—press it so the fold is crisp and straight. This makes the pocket look finished and makes it easier to sew to the pant leg in a straight line. At this point, the pocket should look like a small fabric envelope with the opening at the top.

Mark the Pocket Position on the Pant Leg

Try on the pants or lay them flat on a table. Decide where you want the pocket: front or back of the leg, left or right side. Most pockets sit on the front of the thigh, about 4 to 5 inches below the waistband and centered left or right. Mark the top corners of where the pocket will sit using a fabric pencil or tailor's chalk. Make small dots at the four corners so you know exactly where to stitch.

If you are adding pockets to both legs, measure the same distance on each side so they are even. Use a ruler or measuring tape to check the distance from the waistband and from the center seam of the leg. Uneven pockets are noticeable and look unintentional.

Stitch the Pocket to the Pant Leg

Position the pocket on the pant leg with the opening facing up and the marked corners aligned with your dots. Pin the pocket in place around all four sides so it does not shift while you sew. Make sure the pant fabric is smooth underneath—no wrinkles or folds that would pucker when you stitch.

Using a needle and thread or a sewing machine, stitch around three sides of the pocket: the bottom and both long sides. Leave the top edge open (that is the opening). Use the same straight stitch and 1/2-inch seam allowance you used to sew the pocket pieces together. Sew slowly and keep your line straight and close to the edge of the pocket.

For extra strength, especially if you plan to put heavy things in the pocket, stitch a small triangle or box at the top two corners. Start at the top corner, stitch down about 1/2 inch, across 1/4 inch, and back up to the corner. This reinforces the spot where the pocket opening meets the pant leg—the place most likely to tear from weight and repeated use.

Finish and Test Your Pocket

Trim any loose threads with scissors. Press the finished pocket with an iron on medium heat to set the stitches and make the pocket lie flat against the pant leg. The pocket should feel find and not shift when you tug on it.

Try on the pants and test the pocket by putting your hand inside. The opening should be large enough to reach in comfortably, and the pocket should not pull or pucker the pant fabric. If the pocket feels loose or wobbly, you can add a second row of stitches 1/4 inch inside the first row for extra security—this is called a topstitch and is both functional and decorative.

If you added pockets to both legs, check that they are even and that both feel equally find. Uneven stitching or loose pockets are common on a first try, but they do not affect how the pants wear—they just look less polished. On your next pair, you will know what to watch for.

Frequently Asked Questions

Can I add pockets to pants that are already hemmed?

Yes. Patch pockets work on finished pants because they sit on top of the fabric rather than being built into a seam. The only limitation is that you cannot add pockets below the hem—the pocket would stick out past the pant leg. Pockets on the thigh or hip work fine on hemmed pants.

What fabric should I use for the pocket?

Use the same weight of fabric as the pants themselves. If the pants are lightweight cotton, use lightweight cotton for the pocket. If the pants are heavy denim, use denim or a similar weight. Mismatched fabric weights make the pocket look lumpy and can cause it to pull or wrinkle. Lining fabric or cotton quilting fabric works well for most pants.

How do I keep the pocket from puckering?

Pucker happens when the pant fabric underneath the pocket shifts or wrinkles while you sew. Pin the pocket firmly in place before you start, smooth out any wrinkles in the pant fabric, and sew slowly so you have time to adjust if the fabric starts to bunch. If puckering happens anyway, you can press it out with an iron and a damp cloth after the pocket is finished.

What if I sew the pocket crooked?

Crooked pockets are visible but not a failure—they happen to beginners and experienced sewers alike. You can leave it as is (it will not affect how the pants wear), or you can carefully cut the stitches with a seam ripper, remove the pocket, and sew it again in the correct position. Mark the new position with a pencil before you start the second time.

Do I need a sewing machine, or can I hand-sew the pocket?

You can hand-sew the entire pocket using a needle and thread. It takes longer—expect two to three hours instead of 30 to 45 minutes with a machine—but the result is the same. Use a backstitch (the strongest hand stitch) and keep your stitches small and even, about 1/8 inch apart. Hand-sewn pockets are actually quite durable if the stitches are tight.