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Quilt Binding Calculator

Calculate binding for your quilt

Fabric Needed

0.07 yards

Strips

7

Perimeter

280"

Fabric Needed

0.07

yards

Perimeter

280"

Strips Needed

7

Binding Details

Total Binding292"
Strip Width2.5"

Binding Breakdown

Quilt Perimeter280.0
Total Binding292.0
Strips Needed7.0
Fabric (yards)0.1

What You'll Need

Creative Grids Quilt Ruler 6.5x6.5 inch Non-Slip

Creative Grids Quilt Ruler 6.5x6.5 inch Non-Slip

$15-$204.9
View on Amazon
GDMINLO Sewing Clips 100-Pack for Quilting

GDMINLO Sewing Clips 100-Pack for Quilting

$6-$94.7
View on Amazon
Fiskars 60mm Rotary Cutter Ergonomic Titanium

Fiskars 60mm Rotary Cutter Ergonomic Titanium

$11-$154.7
View on Amazon
Rotary Cutter Set with 45mm Cutter A3 Cutting Mat

Rotary Cutter Set with 45mm Cutter A3 Cutting Mat

$24-$294.7
View on Amazon
Fiskars Crafts Essentials 5-Piece Sewing Set

Fiskars Crafts Essentials 5-Piece Sewing Set

$42-$504.7
View on Amazon
Creative Grids Quilt Ruler 6.5x6.5 inch Non-Slip

Creative Grids Quilt Ruler 6.5x6.5 inch Non-Slip

$15-$204.9
View on Amazon
GDMINLO Sewing Clips 100-Pack for Quilting

GDMINLO Sewing Clips 100-Pack for Quilting

$6-$94.7
View on Amazon
Fiskars 60mm Rotary Cutter Ergonomic Titanium

Fiskars 60mm Rotary Cutter Ergonomic Titanium

$11-$154.7
View on Amazon
Rotary Cutter Set with 45mm Cutter A3 Cutting Mat

Rotary Cutter Set with 45mm Cutter A3 Cutting Mat

$24-$294.7
View on Amazon
Fiskars Crafts Essentials 5-Piece Sewing Set

Fiskars Crafts Essentials 5-Piece Sewing Set

$42-$504.7
View on Amazon

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Example Calculations

1Throw Quilt Binding (60" × 80")

Inputs

Quilt Width60"
Quilt Length80"
Binding Strip Width2.5"
Fabric Width42"

Result

Fabric Needed0.07 yards
Perimeter280"
Total Binding Needed292"
Strips Needed7

Perimeter = 2 × (60 + 80) = 280". Add 12" safety margin = 292" of binding. Each strip is 42" long, so ceil(292 / 42) = 7 strips needed. With 40" usable fabric width, floor(40 / 2.5) = 16 strips fit per row, so only 1 row is needed. Fabric = 1 × 2.5" / 36 = 0.07 yards.

2King Quilt Binding (90" × 108")

Inputs

Quilt Width90"
Quilt Length108"
Binding Strip Width2.5"
Fabric Width42"

Result

Fabric Needed0.07 yards
Perimeter396"
Total Binding Needed408"
Strips Needed10

Perimeter = 2 × (90 + 108) = 396". Add 12" safety margin = 408" of binding. Each strip is 42" long, so ceil(408 / 42) = 10 strips needed. With 40" usable width, floor(40 / 2.5) = 16 strips per row, so 1 row is needed. Fabric = 1 × 2.5" / 36 = 0.07 yards.

Frequently Asked Questions

Q

How wide should quilt binding strips be?

For double-fold binding (most common), cut strips 2.25-2.5 inches wide. For thicker quilts, use 2.5" strips. Single-fold binding uses 1.25-1.5" strips.

  • Double-fold (most popular): cut 2.25" for thin batting, 2.5" for standard or thick
  • Single-fold: cut 1.25–1.5" wide — less bulk but less durable
  • 2.5" strips yield a finished binding width of about 3/8" on each side
  • Flannel or minky quilts need 2.75–3" strips to accommodate the extra thickness
  • Always press strips in half lengthwise before attaching for crisp, even binding
Q

How much extra binding should I add?

Add 10-12 extra inches to account for joining strips, turning corners, and the finishing overlap.

  • Each diagonal join consumes about 2.5" of binding strip length
  • Each corner miter uses approximately 1" of extra binding
  • The finishing overlap where binding meets itself needs 6–8" of overlap
  • A throw quilt (60×80") with 7 strips has 6 joins — that is 15" consumed by joins alone
  • Round up to 12" extra minimum; 15–18" if you are a beginner
Q

Should I cut binding on the bias?

Bias binding (cut at 45°) is stretchier and works better for curved edges. Straight-grain binding is easier to cut and works fine for straight edges.

  • Straight-grain binding uses 20–30% less fabric than bias-cut binding
  • Bias binding stretches around curves without puckering — essential for scalloped edges
  • Straight-grain is faster to cut: just use a rotary cutter along the fabric grain
  • Striped or plaid fabrics look best cut on the bias for a decorative diagonal effect
  • For 95% of square/rectangular quilts, straight-grain binding works perfectly
Q

How do I join quilt binding strips together?

Place two strips right sides together at a 90-degree angle and sew diagonally across the overlap. Trim the excess and press the seam open for a flat finish.

  • Overlap strips at 90° with right sides facing, forming an L shape
  • Draw a diagonal line from corner to corner across the overlap square
  • Sew directly on the line, then trim 1/4" from the stitching
  • Press the seam open (not to one side) to distribute bulk evenly
  • Diagonal joins are less visible than straight joins and lie flatter

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Last Updated: Mar 26, 2026

This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.

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