Sewing a napkin takes about an hour and requires only straight seams

A napkin is one of the easiest sewing projects because it is just a rectangle with finished edges. You cut a square or rectangle of fabric, fold the raw edges inward, and stitch them down. The whole project—from cutting to the final knot—takes about 45 minutes to an hour, and you need only a needle, thread, and scissors. No pattern, no complicated turns, no invisible seams.

The finished napkin will be roughly 16 by 16 inches if you start with an 18-inch square of fabric. Smaller napkins work too; just subtract an inch from each dimension. You can use cotton fabric scraps, old sheets, or lightweight linen. Avoid stretchy knits or very thick fabrics like denim or canvas—they are harder to fold and stitch neatly at the edges.

Key Takeaways

  • Cut a square or rectangle of fabric at least 18 inches on each side, then trim the corners at a 45-degree angle to reduce bulk when you fold.
  • Fold all four edges inward by half an inch, press with an iron, then fold them inward again by half an inch and press again to create a clean, hidden seam.
  • Stitch the folded edge down with a straight stitch, staying as close to the inner fold as possible so the thread line is barely visible.
  • Start and end each side with a backstitch to lock the thread, and tie off the thread at each corner rather than running thread continuously around the napkin.

Cutting and preparing the fabric

Start with a piece of fabric at least 18 inches square. If you are using a scrap, measure it with a ruler or measuring tape and mark a square or rectangle with a fabric pencil or chalk. Cut along the line with sharp scissors or a rotary cutter. The edges do not have to be perfectly straight—slight wobbles will disappear once you fold and stitch.

Once you have your rectangle, trim the four corners at a 45-degree angle. Cut about half an inch from each corner, removing a small triangle. This step is important: when you fold the edges inward twice, the corner will have four layers of fabric stacked on top of each other. Cutting the corners removes two of those layers and keeps the corner from becoming a thick, lumpy bump. Without this step, your napkin will look puffy at the corners.

Folding the edges for the first time

Lay the fabric flat on your ironing board or a clean table. Starting with one edge, fold the raw edge inward by half an inch. Use your fingers to crease the fold, or run the edge of a ruler along it to make a sharp line. Do this on all four sides, folding inward by the same amount each time.

Once all four edges are folded, press them with a hot iron set to the temperature recommended for your fabric. Cotton and linen can take a high heat; check the fabric label if you have it. The iron will set the crease and make the next fold much easier. Let the fabric cool for a minute before you move it.

Folding the edges a second time

Fold the already-folded edge inward again by half an inch. This second fold hides the raw edge completely inside the napkin, so the finished edge looks clean and professional. Crease this fold with your fingers or a ruler, then press it with the iron again. The raw edge is now sandwiched between two layers of fabric and will not fray.

At each corner, you will have a small flap of fabric sticking out where the two folds meet. Fold this flap down so it lies flat against the corner, and press it. This creates a neat, squared-off corner instead of a lumpy triangle.

Stitching the folded edge

Thread your needle and tie a knot at the end. Start at one corner, on the inside of the fold. Push the needle through all the layers so it comes out right at the edge of the fold, where the inner fold meets the body of the napkin. This is where your stitch line will run.

Use a straight stitch: push the needle down through the fold about one-eighth inch ahead of where it came out, then bring it back up one-eighth inch ahead of that. Keep the stitches small and even, and keep the thread line as close as possible to the inner fold. The closer you stitch to the fold, the less visible the thread will be from the front of the napkin.

Stitch all the way along one edge until you reach the next corner. When you get to the corner, take two or three stitches in the same spot to lock the thread, then tie it off by making a small loop and pulling the needle through it twice. Cut the thread and start a new thread at the next corner. Repeat this process on all four sides.

Finishing the corners neatly

The corners are where most napkins look sloppy, so take your time here. When you reach a corner, stitch right up to the point where the two folds meet. Take a backstitch—push the needle backward through the last stitch—to lock the thread. Tie off as described above.

At the next corner, start your new thread on the inside of the fold, just like you did at the first corner. Stitch along the new edge, keeping the same distance from the fold. When you reach the end of the fourth side, stitch back to where you started, overlap your stitches by about half an inch, then tie off and cut the thread.

Common mistakes and how to avoid them

The most common mistake is folding the edges only once instead of twice. A single fold leaves the raw edge visible on the back of the napkin, and it will fray in the wash. Always fold twice, and always press between folds.

The second mistake is not trimming the corners. Untrimmed corners create a thick, bulky seam that looks unprofessional and makes the napkin stiff. Cut the corners before you start folding.

The third mistake is stitching too far from the fold. If your stitch line is more than one-eighth inch away from the fold, it will be visible from the front and the napkin will look homemade in a bad way. Stay close to the fold, and your stitches will barely show.

Finally, do not try to run one continuous thread all the way around the napkin. Tie off at each corner instead. A continuous thread puts stress on the corners and can cause the seam to come undone when you wash the napkin. Four separate threads, one per side, are much stronger.

Washing and caring for your finished napkin

Once you have finished stitching, wash the napkin in warm water with mild detergent. The first wash will soften the fabric and relax the creases. Dry it on low heat or hang it to air-dry. If you want it to look crisp, press it with an iron after it dries.

Your napkin is now ready to use. It will hold up to regular washing and drying, and the stitches should not come loose if you tied them off properly at each corner. If a stitch does come loose after many washes, you can straightforward re-stitch that section with a needle and thread.

Frequently Asked Questions

Can I use a sewing machine instead of hand-stitching?

Yes. Set your machine to a straight stitch with a medium stitch length, and sew along the fold just as you would by hand. A machine stitch will be faster and more even, though it is harder to keep the line perfectly close to the fold. Start and end each side with a backstitch to lock the thread.

What size should my napkin be?

A standard dinner napkin is 16 to 18 inches square. Cocktail napkins are 10 to 12 inches. Start with 18 inches if this is your first napkin—it is easier to work with than a smaller piece. You can always make a smaller one once you have the technique down.

What fabric works best?

Cotton and linen are ideal because they fold crisply and hold a press. Avoid stretchy knits, which are hard to fold neatly, and very thick fabrics like canvas or denim. Lightweight cotton sheets, quilting cotton, and linen scraps all work well.

Do I have to trim the corners?

No, but your corners will be thick and bumpy if you do not. Trimming takes 30 seconds and makes a huge difference in how the finished napkin looks and feels. It is worth doing.

How do I keep my stitches from showing on the front?

Stitch as close as possible to the inner fold—within one-eighth inch. The closer you are to the fold, the less visible the thread will be. Use thread that matches your fabric color, and use small, even stitches.