Quilt Binding Calculator
Calculate fabric requirements for quilt binding strips - straight or bias binding
Quilt & Binding Specifications
Quilt Dimensions
Binding Details
Typical range: 2-2.5 inches (5-6.4 cm)
Edge along which you will cut the straps
Binding Requirements
Basic Measurements
Straight Binding Requirements
Calculation Summary
How the Quilt Binding Calculator Works
1. Perimeter Calculation
The binding length is based on your quilt's perimeter: 2 × length + 2 × width
2. Overage Addition
We add 10 inches (25.4 cm) overage for joining binding strips and connecting the ends around your quilt.
3. Binding Types
Straight Binding: Cut along the fabric's grain direction. Easier to cut but less flexible on curves.
Bias Binding: Cut at a 45° angle to the grain. More flexible and arranges better on curved edges.
4. Fabric Requirements
Straight: Number of straps = binding length ÷ fabric width
Bias: Minimum fabric area = binding length × strap width
Example Calculation
Baby Quilt Example
Quilt size: 36" × 48" (baby quilt)
Perimeter: 2 × 36 + 2 × 48 = 168"
With overage: 168" + 10" = 178"
Strap width: 2.25"
Fabric width: 44"
Straight Binding Result
Number of straps: 178" ÷ 44" = 4.05 → 5 straps
Fabric needed: 5 × 2.25" = 11.25"
Total fabric: 11.25" length
Binding Tips
Choose 2-2.5" strap width for visible 0.25" binding edge
Bias binding works better on curved edges and wears longer
Straight binding is easier to cut and sew for beginners
Use double-fold binding for quilts (single-fold for garments)
Quick Reference
Standard Strap Widths
- • 2" - Narrow binding
- • 2.25" - Most common
- • 2.5" - Wide binding
Fabric Widths
- • 44-45" - Standard quilting cotton
- • 42" - Some quilting cottons
- • 60" - Wide fabric
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