Machine sewing binding is faster than hand sewing and holds up well in the wash

Machine sewing quilt binding means stitching the folded binding strip to your quilt using a sewing machine instead of a needle and thread by hand. You sew the binding to the front of the quilt first, then fold it to the back and stitch it down from the back side. The whole process takes about 30 to 45 minutes for a lap-sized quilt, depending on how many corners you have and how comfortable you are feeding fabric under the presser foot.

The binding will be more durable than hand-sewn binding because the machine stitches are tight and consistent. It also means you can finish a quilt in one sitting instead of spending evenings hand-sewing. The trade-off is that the back of your quilt will show a line of stitching, whereas hand-sewn binding is nearly invisible from the back.

Key Takeaways

  • Cut binding strips 2.5 inches wide, sew them end-to-end into one long strip, press in half lengthwise, and trim the seam allowance on your quilt to 1/4 inch before you start.
  • Sew the binding to the front of the quilt using a 1/4-inch seam allowance, stopping 1/4 inch before each corner and using a 45-degree fold to turn the corners.
  • Fold the binding to the back of the quilt and pin it in place, then stitch it down from the back using a straight stitch or a blind stitch, depending on how visible you want the stitching to be.
  • Test your machine tension on a scrap of folded binding before you start on the actual quilt, because loose tension will cause the binding to pucker.
  • Press the binding flat with an iron after you finish sewing to set the stitches and make the binding lie flat against the edge of the quilt.

Prepare your binding strips and quilt before you sew

Cut strips of binding fabric 2.5 inches wide and as long as your rotary cutter and mat allow — usually 40 to 44 inches if you are using fabric from a bolt. Sew the strips end-to-end using a diagonal seam: place two strips right sides together at a 45-degree angle, sew across the corner with a 1/4-inch seam, and trim the excess. Press the seams open. This creates one long strip with no bulky corners.

Press the entire binding strip in half lengthwise, wrong sides together, so it is now 1.25 inches wide. This fold is what will wrap around the edge of your quilt. Trim the seam allowance on your quilt to exactly 1/4 inch all the way around — use a rotary cutter and ruler to make this even. An uneven seam allowance will cause the binding to sit crooked on the back.

Sew the binding to the front of the quilt with mitered corners

Start on a straight edge, not at a corner. Align the raw edges of the binding with the raw edge of the quilt, right sides together. Leave a 10-inch tail of binding unsewn at the start — you will use this to join the ends later. Sew with a 1/4-inch seam allowance using a walking foot if your machine has one, because it feeds the quilt layers evenly and prevents puckering.

When you reach a corner, stop sewing exactly 1/4 inch before the corner point. Backstitch, remove the quilt, and lift the presser foot. Fold the binding straight up, away from the quilt, creating a 45-degree angle. Then fold it back down along the next edge, so the fold sits right at the corner. The binding now forms a small triangle at the corner. Align the binding edge with the next side of the quilt and sew from the corner point onward. Repeat this fold at each corner.

When you reach the starting point, stop sewing about 12 inches before the tail. Backstitch and remove the quilt. Overlap the two tails and sew them together with a diagonal seam, just as you did when joining the strips. Trim the seam and press it open. Fold the joined binding in half again and sew it to the remaining gap on the quilt.

Fold the binding to the back and pin it in place

Fold the binding to the back of the quilt so the fold of the binding covers the line of stitching you just made. The binding should wrap around the edge smoothly without twisting or bunching. Pin it in place every 4 to 6 inches, working your way around the entire quilt. At each corner, the binding will naturally form a small fold or pleat on the back — this is correct and will look neat when you are done.

Check that the binding is even on both the front and back. If it is wider on one side, adjust your pins so the fold sits centered on the edge. Press the binding with an iron as you pin to set the fold and make it easier to sew.

Stitch the binding down from the back of the quilt

Thread your machine with thread that matches the binding or the back of your quilt. A straight stitch sewn 1/8 inch from the fold will be visible on the back but will hold the binding securely. If you want the stitching to be less visible, use a blind stitch (also called a blind hem stitch on most machines) and sew right along the fold — the needle will catch only a few threads of the binding and the thread will disappear into the fold.

Sew slowly and keep the fold of the binding aligned with the presser foot. Stop and adjust your pins as you go. When you reach a corner, sew right up to the fold and backstitch. The corner pleat will sit flat naturally without any special handling.

Test your machine tension on a scrap of folded binding before you start on the actual quilt. Loose tension will cause the binding to pucker and pull away from the edge. If you see puckering, tighten the top tension slightly and test again on scrap fabric.

Press the binding and check for loose spots

Once all the stitching is done, press the entire binding with an iron set to the heat appropriate for your fabric — usually medium to medium-high for cotton. Press from the back first, then flip the quilt over and press from the front. This sets the stitches and makes the binding lie flat and smooth.

Run your fingers along the binding edge to feel for any spots where it is loose or not fully stitched. If you find a gap, backstitch a few stitches by hand with a needle and thread, or use your machine to sew over that section again. A quilt that will be washed regularly needs binding that is sewn securely all the way around.

Common mistakes and how to avoid them

The most common mistake is not stopping exactly 1/4 inch before the corner when sewing the front. If you sew all the way to the corner point, the binding will bunch and the corners will not lie flat. Mark your corner points lightly with a pencil before you start sewing, so you know exactly where to stop.

Another mistake is pressing the binding strip in half before you have sewn all the strips together. If you press too early, the folds will not line up when you join the strips, and you will have to re-press. Join all your strips first, press once, and you are done.

Uneven seam allowance on the quilt is also a common problem. If your seam allowance is 1/4 inch in some places and 3/8 inch in others, the binding will sit crooked and look sloppy. Use a ruler and rotary cutter to trim the seam allowance to exactly 1/4 inch before you attach the binding.

Frequently Asked Questions

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

Yes, but a walking foot will give you more even stitches and fewer puckers, especially on large quilts. If you do not have a walking foot, sew slowly and use your hands to guide the quilt evenly under the presser foot. You can also try a 1/8-inch seam allowance instead of 1/4 inch, which holds the layers together more securely.

What thread should I use for machine-sewn binding?

Use all-purpose polyester or cotton thread in a color that matches the binding or the back of the quilt. If your binding is a print, a neutral gray or tan will blend in. Avoid dark thread on light binding, as it will show through. Test on a scrap first if you are unsure.

How do I fix a corner that bunched up while I was sewing?

Carefully cut out the bunched stitches with a seam ripper, gently pull the binding away from the quilt, and re-sew that corner. Stop exactly 1/4 inch before the point this time. If the binding fabric is damaged, you may need to remove that section of binding and sew on a new piece.

Do I have to use a blind stitch on the back, or can I use a straight stitch?

Either one works. A straight stitch is faster and easier to control, and it will be visible on the back as a line of stitching. A blind stitch is slower but nearly invisible. Choose based on how much time you have and whether you want the back of the quilt to show stitching.

What if my binding is puckering even though my tension looks correct?

Puckering usually means the quilt layers are shifting under the presser foot. Use a walking foot, sew more slowly, and make sure you are not pulling the quilt toward you as you sew. Also check that your seam allowance is exactly 1/4 inch — a thicker seam allowance can cause the binding to bunch.