Take the guesswork out of quilt binding! This handy calculator helps you determine exactly how much binding you need for any quilt size, plus shows you how much fabric to buy, whether you're cutting straight grain or bias strips.

 

How to Use This Calculator:

Step 1: Choose Your Units

• Click Imperial for inches/yards or Metric for centimetres/metres

• All calculations and results will automatically update to your chosen units

• You can switch units anytime during your calculation

Step 2: Enter Your Quilt Dimensions. Enter the finished width and length of your quilt.​

Step 3: Review Binding Length Results

The Binding Length Calculator shows the Quilt Measurements, Binding Length Required and Total binding length needed. The calculator automatically includes 10 inches (25cm) extra for joining and finishing​

Step 4: Calculate Fabric Requirements. Adjust the Binding Strip Width to suit your requirements. The default is 2.5 inches (standard),​ but it can go up to 6 inches. Choose your Fabric Width from the dropdown menu and select your Cutting Method.

Step 5: View Fabric Requirements

The calculator shows the total Binding Length Needed and the amount of Fabric to purchase, plus a Shopping List with rounded amounts for easy purchasing. 

​

Special Features:

Real-time Updates: All calculations update instantly as you change any value.

​

Pro Tips:

• The 10-inch allowance covers joining strips and final closure

• Bias binding is worth the extra fabric for curved quilts

• Join binding strips with 45° seams for smooth application

• Start applying binding on a straight edge, not at a corner

 

The calculator handles all the math automatically - just enter your quilt size and get your complete shopping list!