By ShowMeStepByStepPublished Updated
Based on a video by HeirloomCreations.
Binding is the last step that takes your finished quilt top from a project to a real quilt - it covers all those raw edges and gives the whole thing a clean, professional finish. The classic double-fold binding with mitered corners looks fancy but the technique is repeatable on every project once you've done it once.
This walkthrough from Heirloom Creations breaks the binding into seven clean steps. The trickiest part is the mitered corners (step 5), but the rest is straightforward sewing once you've got the binding strip prepared. Your quilt should already be quilted and trimmed square before you start. If it isn't, see how to machine quilt first.
Add up all four sides of the quilt and add about 12 inches for the corners and the join. Divide by the usable width of your fabric (about 40 inches once the selvages are off) and round up. That's your strip count.
A worked example for a 60 x 70 inch throw: 60 + 60 + 70 + 70 = 260 inches, plus 12 is 272. Divide 272 by 40 and you get 6.8, so cut 7 strips. At 2.5 inches wide that's 17.5 inches of fabric. Buy half a yard and you have a little spare for a mis-cut.
Straight-grain strips cut selvage to selvage are what most quilters use, and they're fine for any quilt with straight edges and square corners. They use less fabric and there's no fiddly cutting.
Bias binding is cut at 45 degrees to the weave, so it stretches. That matters in two places: quilts with curved or scalloped edges, and heirloom quilts that will get years of heavy use, because the wear spreads across many threads instead of one. Plaids and stripes cut on the bias also give you a candy-cane look some people love.
Hand stitching the fold down with a blind or ladder stitch is invisible and relaxing, but a throw takes an evening or two. Machine finishing is faster and tougher, which makes it the better pick for baby quilts and anything headed for the washer every week. The trade-off is a line of stitching that shows on one side. Clip the binding over to the back and stitch in the ditch from the front, catching the folded edge underneath.
Clips win for the back. They hold several layers without distorting them, they don't stab you while you hand sew, and they won't leave holes in the binding. Pins work fine for the front if that's what you have. Clip every 4 to 6 inches, plus one on each side of every corner.
Planning more quilts? Basting a quilt and adding borders come before this step, and a rag quilt skips binding altogether.
7 steps · about 7 minutes.Check off each step as you go and your progress saves automatically.
Cut binding strips between 2.25 and 2.5 inches wide using a rotary cutter and quilting ruler against a cutting mat. The narrower 2.25 makes a tighter binding; 2.5 gives more wiggle room when stitching the back down.
You'll need enough total length to wrap all four sides of your quilt with about 12 extra inches for joining and the diagonal overlap at the end. For a lap quilt, plan on roughly 200-220 inches of binding.
Lay two strips perpendicular to each other, right sides together. Stitch from corner to corner on the 45-degree diagonal so the seams won't bulk up under the binding when you sew it down.
A clearly-perfect-angle tool that sticks to the bed of the machine gives you a guaranteed line, but you can also draw the diagonal with a pencil first. Repeat until all your strips are joined into one long binding piece.
Trim each diagonal seam allowance to a quarter inch using scissors or a rotary cutter. Press the seams open so they lay flat under the iron - bunched seams cause lumps in the finished binding.
Then press the entire strip in half lengthwise, wrong sides together. You now have a double-thickness binding that's about 1.25 inches wide and ready to attach.
Tip
Wrap the pressed binding around a quilting ruler and tie with a ribbon if you're storing it for later - keeps it neat and uncreased until your quilt top is ready.
Switch to a walking foot on your sewing machine. Match the binding's raw edges to the raw edges of your quilt's front, leaving a 6-inch tail at the start.
Open up the very top edge of the binding, fold a diagonal corner inward, then refold to recreate the binding shape - this creates a little angled pocket. Start stitching with a quarter-inch seam allowance about 6 inches in from the start of the binding.
As you approach each corner, stop exactly a quarter inch from the edge. Backstitch a couple of stitches and remove the quilt from the machine.
Twist the binding straight up so it forms a 45-degree fold, then fold it back down so the binding edge aligns with the next side of the quilt. Drop the needle a quarter inch in from the new edge and continue stitching. Repeat at each of the four corners.
When you've stitched almost all the way around, trim the remaining tail at a slight angle. Tuck the trimmed end into the diagonal pocket you made at the start of step 4.
Line up the raw edges so they sit flush, then continue stitching across the joined section. The starting and ending tails are now hidden inside the pocket, joined at a clean 45-degree angle - no math, no overlap calculation.
Press the binding away from the front of the quilt, then fold it over to cover the raw edges on the back. The pre-pressed centerfold makes it lay smoothly. The mitered corners will tuck into themselves cleanly.
Hand-stitch the binding closed on the back for the cleanest finish, or run it through the machine using stitch-in-the-ditch on the front with an edge stitch foot to catch the binding's edge on the back. Done.
Tip
Use high-contrast thread in your bobbin - if you're hand-stitching the back, that visible thread line tells you exactly where to roll the binding edge to.
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Dual-temp so it handles delicate florals and heavy materials alike. A precise nozzle and built-in stand make it the everyday craft-table gun.
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OLFA 18" x 24" Self-Healing Cutting Mat
The pro-standard cutting surface. Gridlines for square cuts, self-healing so blades never leave grooves, and big enough for paper, fabric, and leather.
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Question 1 of 5
Standard binding strip WIDTH?
Quick reference
5 questions, answers, and one-line explanations. Tap to expand.
1.Standard binding strip WIDTH?
Answer: Between 2.25 and 2.5 inches
2.25 = tight binding; 2.5 = more wiggle room when sewing the back down. Pressed in half, that's about 1.25 inches finished.
2.Why sew the strip joins on a 45-degree DIAGONAL (not straight across)?
Answer: Distributes the seam bulk so it doesn't lump up under the binding when stitched down
Straight seams pile fabric in one spot. Diagonal seams spread bulk across two inches of binding, invisible under the stitching.
3.Which presser foot do you switch to for attaching binding?
Answer: A WALKING foot (feeds the top fabric layer at the same rate as the bottom so layers don't shift)
Quilt sandwich is too thick for a regular foot - the top creeps. Walking foot grips both layers and feeds them together.
4.At each corner, where do you stop stitching?
Answer: EXACTLY 1/4 inch from the edge, backstitch, then miter the corner with a fold-up-and-fold-down
Stop 1/4 in, twist binding straight up to form a 45 fold, then fold it back down along the new side. Mitered corner forms automatically.
5.Easiest way to JOIN the binding ends without math?
Answer: Leave a 6-inch tail at the start with a diagonal pocket; tuck the ending tail INTO that pocket and stitch across
The 'pocket' method hides the joining seam at a clean 45-degree angle. No overlap calculations, no measuring.
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