Machine Binding a Quilt: A Step-by-Step Illustrated Guide for Beginners (with video)


Most quilters find the binding step to be the most time-consuming part of making a quilt but it doesn’t have to be if you use your sewing machine. This method is a popular way to finish a quilt that both saves time (compared to hand sewing) and completes the quilt by giving it a nicely finished border edge.

We personally sew all of our binding using a sewing machine as it’s quick and easy and to be honest, we really don’t like hand sewing all that much.

This tutorial goes over the basics of quilt binding plus it illustrates the actual technique with helpful step-by-step photos. You should also watch the video tutorial below as it will help to make sense of some of the steps in this tutorial.

What is quilt binding?

Quilt binding is the process of using fabric strips to cover the raw edges of a quilt. It is the final step when creating a quilt and prevents the raw edges from unraveling or fraying. The binding is made from several strips of fabric, sewn together to form one long strip that measures slightly longer than the perimeter (or outside edge) of the quilt. We tend to add around an extra 10″ to the length of the binding strip. It is typically made of fabric that matches the top of the quilt so that it coordinates well and provides an attractive finish for the quilt.

quilt binding using a sewing machine

How to cut your binding strips

There are three ways you can cut your binding strips:

  1. Lengthwise
  2. Crosswise
  3. Bias

Which is the best?

It will depend on what sort of quilt you are making, plus your personal preference also comes in to play. So let’s quickly take a look at each.

Lengthwise binding is cut parallel to the selvage edge and you will notice that if you stretch the fabric there is no give. This makes it suitable for quilts where you need to stabilize the edges. For example, if you have a border made up of pieced blocks or a border that has been cut on the bias, there is the potential for warping. These types of borders aren’t as stable as say a border made of one piece of fabric, so adding binding that has no give helps to minimize any possibility of stretching or warping.

lengthwise binding

Crosswise binding is cut vertically from fold to selvage and if you stretch the fabric you will find that there is a bit of give. This type of binding works well with straight edge quilts where the borders are made up of one piece of fabric. It is the easiest to cut and also the most economical way of cutting binding out of the three methods.

crosswise binding

Bias binding is cut diagonally at a 45 degree angle. It is not very economical in terms of fabric usage and it can be a bit fiddly to cut but it is considered to be the most long lasting of all types of binding. If you stretch the fabric, there is a lot of give so it works really well with quilts that have curved or scalloped edges but will work just as well for straight-edged quilts.

bias binding

What do we do?

We mostly use the crosswise method since it is the quickest and easiest to cut and it saves on fabric.

How wide do you cut fabric strips for binding?

As a beginner, the two most common widths for quilt binding (based on the double-fold method and using a quarter inch seam) are :

  • 2 ¼”
  • 2 ½”

However, you can cut smaller or larger widths and use a different seam allowance based on the look you are wanting to achieve and the type of binding you decide to use (see the next section for binding types). For example, if you want a wide binding, you might cut the strips at 3″ and use a 3/4″ seam allowance.

What do we do?

In most cases, we cut our binding strips at 2 1/4″ (and we sew it on to the quilt using a 1/4″ seam allowance).

Double-Fold Binding vs Single-Fold Quilt Binding

The most common quilt binding method is the double-fold method. This basically means that you have fold the binding strip in half before sewing it on to the quilt. (See image below). This makes for a stronger more long-lasting binding and is our preferred method.

double-fold binding

The single-fold binding method as the name suggests means that you have left the fabric strip unfolded before sewing it onto the quilt. The main benefit of this method is that you use less fabric since your strips don’t have to be cut as wide but it is less sturdy than the double strip method. Keep this method for sewing onto quilts that won’t see a lot of wear and tear like an art quilt or decorative piece for instance.

What do we do?

We use the double-fold method in most cases.

How to calculate the quilt binding length – the easy way and the hard

To determine the length of the binding you will need for your quilt, use an app. Yep, you heard it right, we use an app that calculates how much we will need based on the size of the quilt. Using a quilting calculator makes it so much easier than having to think it all through. The one we use is the Robert Kaufmann app…and it’s free! Here’s the link.

But hey, it’s worth knowing how to manually calculate it for when the zombie apocalypse hits and you have no access to the internet. So here it is:

The easiest way to do this is to just multiply the length of the quilt x 2, the width of the quilt x 2, and add those amounts together. Then you need to add a bit extra as you will need to overlap the ends and also for the mitered corners. We normally allow about 10″.

So your calculation would be something like this:

(length of quilt x 2) + (width of quilt x 2) + 10″ = length of quilt binding

For example:

Let’s say my quilt measures 60″ x 80″. My calculation would be as follows:

(80″ x 2) + (60″ x 2) + 10″ = 290″

So I would need 290″ of quilt binding for my quilt.

How to work out yardage requirements & number of strips to cut for your quilt binding

I really want to tell you again to just use an app to figure this out (the Robert Kaufmann one mentioned above will do this for you) but I’m going to be good and give you the calculations so you can manually work it out on your own.

To work out how much yardage and the number of strips you will need to cut from that yardage, you will need to know three things:

  1. The perimeter of your quilt (plus a bit extra) – remember back to the little calculation in the previous section above? That calculation will give you the number we need here. In my example, it was 290″. Here’s the calculation again so you don’t have to scroll back: (length of quilt x 2) + (width of quilt x 2) + 10″ = perimeter of quilt
  2. The width of your binding strips – work out whether you are going to cut your strips at 2 1/4″ or 2 1/2″ or something else. That’s the number we need here. In my case, I am going to cut strips that measure 2 1/2″ in width.
  3. The WOF – the width of fabric (WOF) of quilting fabric is the measurement from selvage to selvage when you unfold your fabric. This usually measures around 44″ but can be more or less. As a general rule of thumb, most quilters will use 40″ as their WOF. This allows for the selvages (which need to be removed) and possible shrinkage if you prewash your fabric (plus it’s just easier to calculate with a round number).

Here’s the calculation to work out the number of strips you will need:

(perimeter of quilt) ÷ 40 = no. of strips to cut (always round up)

Now here’s the calculation to work out the amount of yardage you will need:

(no. of strips) x (width of binding strips) = yardage needed

Here’s my example data for my quilt that measures 60″ x 90″:

  • Perimeter of quilt = 290″
  • Width of binding strips = 2 1/2″
  • WOF = 42″

So, the number of strips I will need is:

290″ ÷ 40 = 7.25

I round this up to 8 so I will need 8 strips.

The amount of yardage I will need is:

8 x 2.5 = 20 inches

That’s a little over half a yard so I would probably buy 5/8 of a yard or maybe 3/4 just to be safe. I always like to have extra for those happy little accidents.

If you are still not sure at this point, we do have a video tutorial and more detail for this on our blog post here – How to calculate quilt binding requirements

Do you sew the binding on the front or back of a quilt?

In the quilting community, there is ongoing debate over whether to sew the binding on the front or back of a quilt.

As a beginner, you may be wondering what this even means.

Well, when you sew on a binding you start by sewing it around the edge of one side of the quilt. But which side do you choose to do this on – the front of the quilt or the back?

If you don’t mind a bit of hand sewing, then sew the binding using a sewing machine onto the front of the quilt first and then fold it to the back and hand sew it down to finish. This leaves a nice clean edge on the front of the quilt.

You can see an example of this in the image below of a quilt that was machine-sewn to the front of the quilt and then hand-sewn to the back. This was done by the mother of a good friend of ours who did an absolutely beautiful job. You’d be hard-pressed to see the stitching on either the front or the back.

hand sewing quilt binding

Compare this now with a quilt (see image below) where both the front and the back of the quilt binding were sewn with a sewing machine. In this particular example, the binding was sewn onto the back of the quilt first and then brought around to the front whereupon it was sewn down again with a sewing machine.

You can see that the stitch lines can be seen on both the front and back. Technically it shouldn’t really show up on the back if your binding and quarter inch seam are just right but because you are sewing from the front and can’t see what is going on in the back, it rarely ever works out perfectly.

Sure, it doesn’t look as good as the previous quilt example, but unless you are making a show quilt, most people don’t even notice.

machine sewing quilt binding

So in answer to the initial question, if you are wanting to only use your sewing machine to sew both sides of the binding onto the quilt, then start by sewing onto the back first. But hey, that’s just our opinion…you do you!

Wanna know what we do?

If you haven’t already guessed, we sew our quilt binding on to the back of the quilt first.

Now on to the step-by-step tutorial

We have both a video tutorial and written instructions for how we sew on a binding. It’s worthwhile watching the video first and then scroll down to read the written instructions as it will make more sense this way.

Watch the video tutorial below or scroll down for the step-by-step written instructions

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How to Machine Bind a Quilt

Before you start you will need to do a quick calculation to ensure that you have enough fabric to go around the outside of your quilt. You can scroll back up to work this out or head over to our tutorial on how to measure the amount of binding that you will need.

  • We make our bindings 2½” wide.
  • For this baby quilt, we cut 5  x 2½” strips across the width of the fabric.

Step 1: Sew the strips together

  • Start by overlapping two strips as shown in the image below.
  • Sew with a 45º angle from one ‘V’ to the other. We’ve sewn a line on the fabric to show you where to sew. Sewing on an angle reduces bulk on the seam lines and spreads the bulk out.

Binding Strips

  • Trim the excess back to ¼”.

sewing binding onto quilt

  • Continue to sew all of the strips together using this method until you have one really long strip.
  • We are going to be using the double-fold binding method so we will need to fold our strip in half and press.

quilt binding tutorial

Step 2: Attach the binding to the quilt

  • Now your binding needs to be attached to the edge of the quilt. We attach ours to the back of the quilt.
  • Lay the raw edges of the binding to the raw edge of the quilt.
  •  Start on one of the long edges at around the middle  of the quilt, and leave a tailpiece of about 5″- 6, which isn’t  sewn to the quilt. You will see why further on.
  • Pin the binding down until you reach the first corner of the quilt.

quilt binding tutorial

  • Now sew down the edge with a ¼” seam and stop ¼” from the corner. Do a backstitch and remove the quilt from the machine.
  • You can see what that looks like in the image below.

quilt binding tutorial

Step 3: Create your mitered corner

  • We are now ready to do our first mitered corner.
  • Fold the binding back at a 45º angle so that the binding runs parallel with the quilt.

Binding a Quilt

  • Then fold the binding back so that the folded edge is parallel with the side you have just sewn and is now laying along the edge of the quilt that is to be sewn next.

binding a quilt using a sewing machine

  • It should now look like the image below.

Binding a Quilt

  • Now sew from the folded edge, along the edge of the quilt (as shown by the dotted line in the image below) and again, stop ¼” from the next edge.

how to machine sew quilt binding

  • Now you need to create your next mitered corner. Just repeat the previous step and then continue until all four mitered corners have been sewn.

I really suggest you watch the video at this point because this next bit may not make as much sense until you see it in action.

Step 4: Attach the end pieces

  • On the last edge stop about 10″ from the loose tailpiece that we left un-sewn at the start.

how to machine bind a quilt

  • Take a piece of scrap piece of the binding that measures about 2″. You are going to use this as a measure.

how to machine bind a quilt

  • Open this piece out and lay it down on the top of the tailpiece keeping the edge straight.

machine bind a quilt tutorial

how to machine bind a quilt

  • Lay the other piece of binding flap down flat over the tailpiece and the measuring strip.

Binding a Quilt

  • You are now going to cut the top piece of binding only, along the edge of the measuring strip.

how to machine bind a quilt

  • We now need to join the tails together.
  • To do this, join them the same way you joined the binding at the start. In other words, lay the two pieces one on top of the other, pin and check that the binding isn’t twisted, and sew from ‘V’ to ‘V’ on a 45º angle. (We recommend watching the video here as this can be a little complicated.)

Binding a Quilt

  • Firstly, check that the binding piece lays flat along the edge of the quilt.
  • Trim the excess fabric.
  • NOTE: Don’t trim off the excess until you check that the binding sits nicely along the edge of the quilt and isn’t too short. By checking first you can unpick the seam and resew it, whereas once you have cut it you have a problem if it doesn’t fit. Although you can sew on another strip so all is not lost if the piece is too short.

Trim the binding

  • Smooth the binding down and line up with the edge of the quilt.
  • The pieces should fit nicely and the binding should lay flat. Stitch to finish using a backstitch at the start and finish (as shown in the image below.)

machine binding a quilt

Step 5: Attach the binding to the front of the quilt

  • Fold the binding around to the quilt front and pin in place.

how to machine bind a quilt

  • As you get to each corner, create a miter and pin. (Watch the video for this!)

how to machine bind a quilt

how to machine bind a quilt

  • It should be pinned around the entire quilt ready for sewing.

how to machine bind a quilt

  • Now sew the binding in place trying to match it to the seam line on the back. That’s the goal, but don’t stress if this seems too hard. Simply sew the binding with cotton in your bobbin that matches your backing fabric color and you won’t notice any little mistakes.
  • Your binding is now complete.

So that is ‘How you Bind a Quilt’ to get that nice finish and cover the raw edges.