How to Bind a Quilt: A Beginner-Friendly Step-by-Step Guide

You pieced the quilt top. You layered, basted and quilted it. Now there is only one step standing between you and a finished quilt:

The binding.

Quilt binding is the fabric strip that wraps around the raw outer edges of a quilt. It protects the edges, gives the quilt a polished finish and provides one last opportunity to add color or personality to your project.

Binding can feel intimidating the first time you try it—especially when you reach the corners or need to join the two ends. The good news is that binding becomes much easier once you understand the basic process.

In this guide, we’ll walk through how to calculate, cut, sew and finish double-fold quilt binding.

What Is Quilt Binding?

Binding is a narrow strip of fabric sewn around the outside edge of a finished quilt.

It covers the raw edges of the:

• Quilt top

• Batting

• Backing fabric

The binding is typically attached to one side of the quilt by machine, folded over the edge and secured on the opposite side.

Many quilters sew the first side by machine and finish the second side by hand. You can also complete both sides by machine.

What Is Double-Fold Binding?

Double-fold binding is one of the most common binding methods used for quilts.

The fabric is cut into strips, joined into one continuous length and folded in half lengthwise. This creates two layers of fabric around the edge of the quilt, making the binding more durable.

A common strip width for double-fold binding is 2½ inches, although some quilters prefer strips that are 2¼ inches or slightly wider.

The best width may depend on:

• Your seam allowance

• The thickness of the quilt

• Whether you are finishing by hand or machine

• How wide you want the finished binding to appear

For a first project, 2½-inch strips are a comfortable place to begin.

How Much Binding Do I Need?

To calculate the amount of binding needed, begin by finding the perimeter of the quilt.

Use this formula:

Quilt width + quilt width + quilt length + quilt length = perimeter

You can also use:

2 × quilt width + 2 × quilt length = perimeter

Add approximately 10 to 12 inches to the perimeter. This gives you additional fabric for joining the ends and working around the corners.

Binding Calculation Example

For a quilt measuring 60" x 72":

• 60 + 60 + 72 + 72 = 264 inches

• Add 12 inches

• Total binding needed = 276 inches

Next, divide the total by the usable width of your fabric.

Most quilting cotton is approximately 42 to 44 inches wide, but after removing the selvages, you may have around 40 usable inches.

• 276 ÷ 40 = 6.9

• Round up to 7 strips

You would need seven width-of-fabric strips.

Always round up. It is much better to have a little binding left over than to discover you are several inches short at the final corner.

And if you don't want to do the math, there are TONS of binding calculators online that will do that math for you.

How Much Yardage Do I Need for Binding?

Once you know the number of strips required, multiply the number of strips by the width of each strip.

For seven strips cut at 2½ inches:

• 7 × 2½ = 17½ inches

You would need at least 17½ inches of fabric, which is just under ½ yard.

Because fabric cuts and selvage widths can vary, purchasing a little extra provides useful breathing room.

Quick Binding Yardage Guide

This is only a general starting point. Always calculate based on the actual dimensions of your quilt.

• Baby quilt: approximately ⅓ to ½ yard

• Throw quilt: approximately ½ to ⅝ yard

• Twin quilt: approximately ⅝ to ¾ yard

• Queen quilt: approximately ¾ to 1 yard

• King quilt: approximately 1 yard or more

The number of strips you can cut depends on the binding width you choose.

Should Binding Match the Quilt?

Your binding does not have to match the quilt perfectly.

It can blend quietly into the border or become an additional design element.

Consider using:

• A fabric from the quilt top

• A darker version of the border color

• A small coordinating print

• A stripe

• A contrasting solid

• A scrappy combination of leftover fabrics

A darker or medium-value fabric is often practical because the outer edge of a quilt receives a lot of handling.

Striped fabric can create a playful effect around the edge, especially when cut on the bias. Small-scale prints are also useful because the design remains visible within the narrow finished binding.

Straight-Grain Binding or Bias Binding?

Most quilts with straight edges can be finished with straight-grain binding.

Straight-grain binding is cut across the width of the fabric from selvage to selvage. It is easy to prepare and works well for square or rectangular quilts.

Bias binding is cut diagonally across the fabric grain. Because it stretches and bends more easily, it is often used for:

• Curved quilt edges

• Scalloped edges

• Rounded corners

• Projects that require more flexibility

Bias binding can also be used on straight-edged quilts, but it requires a different cutting process and will use more fabric.

For a standard rectangular quilt, width-of-fabric binding strips are usually the simplest choice.

Supplies Needed to Bind a Quilt

Gather the following supplies before you begin:

• Finished and quilted quilt

• Binding fabric

• Rotary cutter

• Acrylic ruler

• Cutting mat

• Sewing machine

• Coordinating thread

• Iron and ironing surface

• Pins or binding clips

• Hand-sewing needle, if finishing by hand

A walking foot can also be helpful when sewing through the multiple layers around the quilt’s edge.

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Step 1: Trim and Square the Quilt

Before attaching the binding, trim away the excess batting and backing.

Use a long ruler and rotary cutter to create a clean edge around the quilt.

Take care not to cut off important points along the outside border. Depending on the pattern, some points may be designed to end approximately ¼ inch from the raw edge so they remain visible after the binding is attached.

Check that the corners are square and the edges are reasonably straight.

A perfectly square quilt is wonderful, but do not let a slightly imperfect edge prevent you from finishing your project. Binding can be surprisingly forgiving.

Step 2: Cut the Binding Strips

Cut the required number of strips from selvage to selvage.

For standard double-fold binding, cut the strips:

2½ inches wide

Remove the selvage ends before joining the strips. Selvages are woven more tightly than the rest of the fabric and may create stiffness or puckering in the finished binding.

Try to cut each strip accurately and consistently. Variations in strip width can make it difficult to maintain an even binding.

Step 3: Join the Binding Strips

Join the strips using diagonal seams rather than straight seams.

Diagonal seams distribute the bulk over a larger area, so you do not end up with several layers stacked in one spot.

To join two strips:

1. Place one strip horizontally with the right side facing up.

2. Place the second strip vertically on top, with the right side facing down.

3. Overlap the ends to form a right angle.

4. Sew diagonally across the overlapping square.

5. Trim the excess fabric, leaving approximately a ¼-inch seam allowance.

6. Press the seam open.

Continue joining strips until you have one long, continuous piece of binding.

Before trimming each seam, unfold the strips and make sure they form one straight length. This quick check can save you from accidentally sewing the seam in the wrong direction.

Step 4: Press the Binding

Fold the long binding strip in half lengthwise with the wrong sides together.

Match the raw edges and press the fold.

You should now have one long strip measuring approximately 1¼ inches wide, with the raw edges together on one side and a folded edge on the other.

Rolling the prepared binding into a loose coil can keep it organized and prevent twisting.

Step 5: Begin Attaching the Binding

Choose one side of the quilt and begin several inches away from a corner.

Leave an unsewn binding tail of approximately 8 to 10 inches. You will use this tail later when joining the beginning and ending pieces.

Place the binding along the front of the quilt with:

• The raw edges of the binding aligned with the raw edge of the quilt

• The folded edge facing toward the center of the quilt

Using a ¼-inch seam allowance, begin sewing the binding to the quilt.

Stop approximately ¼ inch before reaching the first corner.

Backstitch and remove the quilt from the sewing machine.

Step 6: Create a Mitered Corner

Mitered corners create the neat diagonal folds commonly seen on quilt binding.

At the corner:

1. Fold the binding away from the quilt at a 45-degree angle.

2. The raw edge of the binding should form a straight line with the next edge of the quilt.

3. Fold the binding back down over itself.

4. Align the raw edge of the binding with the next raw edge of the quilt.

5. The fold at the top should line up with the previous edge.

6. Begin sewing from the top edge with a ¼-inch seam allowance.

Continue along the next side.

Repeat this process at all four corners.

Do not worry if the first corner requires a few attempts. Fold it, check the alignment and adjust it before beginning the next seam.

Step 7: Join the Binding Ends

Stop sewing when you are approximately 10 to 12 inches from where you began.

You should now have two loose binding tails and an unsewn space between them.

The cleanest method is to join the ends with another diagonal seam, just like the seams used to connect the original strips.

One common method is to:

1. Lay both binding tails flat along the unfinished quilt edge.

2. Overlap the tails by the same measurement as the original strip width.

3. For 2½-inch binding, overlap the tails by 2½ inches.

4. Mark and trim the excess.

5. Open the strips and place the ends right sides together at a right angle.

6. Sew a diagonal seam.

7. Trim the seam allowance.

8. Press or finger-press the seam open.

9. Fold the binding in half again.

10. Check that it fits smoothly within the remaining space.

Before trimming the seam, test the joined binding against the quilt edge. Make sure it is not twisted and that the length is correct.

Once you are satisfied with the fit, finish sewing the remaining binding to the front of the quilt.

Step 8: Fold the Binding Over the Edge

Press the binding away from the front of the quilt.

Wrap the folded edge around the raw edge and over to the back.

The folded edge should cover the line of stitching used to attach the binding.

At each corner, fold the fabric to create another neat miter. The diagonal fold on the back will usually fall in the opposite direction from the fold on the front.

Secure the binding with clips or pins as you work.

Step 9: Finish the Binding by Hand or Machine

There are two common ways to secure the second side of the binding.

Hand-Finished Binding

Hand stitching creates a clean, nearly invisible finish on the back of the quilt.

Using a hand-sewing needle and coordinating thread, make small stitches through the folded edge of the binding and the quilt backing.

Avoid stitching all the way through to the front.

Hand binding takes longer, but many quilters enjoy the quiet, relaxing process.

Machine-Finished Binding

Machine binding is quicker and creates a durable finish.

After wrapping the binding to the back, stitch close to the folded edge. Depending on your preferred method, you may stitch from the front or the back.

Use plenty of clips and work slowly to make sure the folded edge remains in place.

Machine binding is especially useful for:

• Baby quilts

• Children’s quilts

• Frequently washed quilts

• Donation quilts

• Projects with a deadline

Neither method is more correct. Choose the finish that works best for you and your project.

Common Quilt Binding Mistakes

Binding rarely goes perfectly the first time. Here are a few common problems and how to avoid them.

Running Out of Binding

Always calculate the full perimeter and add at least 10 to 12 extra inches.

Rounding up by one strip can be worthwhile, especially when the fabric is limited or difficult to replace.

Starting Too Close to a Corner

Begin near the middle of one side rather than next to a corner. This provides room to join the ends later.

Placing a Joining Seam at a Corner

Before sewing the binding to the quilt, loosely position it around the perimeter.

Adjust the starting point when a diagonal joining seam appears likely to land directly on a corner. The extra bulk can make the miter difficult to fold neatly.

Twisting the Binding

Check that the binding lies flat before sewing the final joining seam.

It is much easier to correct a twist before trimming the seam allowance.

Uneven Binding Width

Use a consistent seam allowance and accurately cut strips.

If the binding is too narrow to cover the stitching line on the back, try a slightly smaller attachment seam or wider binding strips on the next project.

Wavy Quilt Edges

Do not pull or stretch the binding as you sew it to the quilt.

Guide the binding gently and allow it to lie naturally against the quilt edge.

Can I Make Scrappy Binding?

Absolutely.

Scrappy binding is a great way to use leftover fabric from the quilt top.

Cut strips from several coordinating fabrics and join them in the same way you would join strips cut from one fabric.

Scrappy binding works especially well with:

• Sampler quilts

• Colorful children’s quilts

• Holiday quilts

• Scrap quilts

• Projects made with fat quarters

Pay attention to the placement of very short sections. You do not want a seam or tiny fabric piece to land directly at a corner.

Should Binding Be Washed Before Use?

Most quilters treat binding fabric the same way they treat the fabric in the quilt top.

When the quilt fabrics were prewashed, prewashing the binding fabric may help maintain consistency.

When the quilt fabrics were not prewashed, the binding is usually left unwashed as well.

There is no universal rule, but using the same approach throughout the project can help the fabrics behave similarly after washing.

Don’t Forget the Binding When Buying Fabric

It is easy to focus on the quilt top and forget that binding requires additional fabric.

Before leaving the store or placing an online order, check whether the pattern includes binding in its listed fabric requirements.

Some quilt kits include fabric for the quilt top and binding, while backing is purchased separately. Read the complete product description to confirm what comes with each kit.

Heartland Quilt Supply Co. carries quilt patterns, kits, quilting cotton and notions to help you complete your project from the first cut to the final stitch.

• Shop quilt patterns

• Shop fabric, notions and quilting supplies

• Shop quilt kits

The Final Step Is Worth It

Binding is the finishing touch that transforms a quilted project into a completed quilt.

Your first binding may not be perfectly even. One mitered corner may look better than another. Your hand stitches may take longer than expected. Or if you chose to attach it completely by machine, you may have missed a spot.

That is okay.

Every quilt teaches you something, and every finished binding makes the next one easier.

Take your time, check your corners and enjoy the moment when you make that final stitch.

Your quilt is finished!

Happy quilting!

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