Toolkit CoveCalculators for everyday projects

Answer

How much binding do I need for a quilt?

Add the four sides plus 10 in, divide by 40 in and round up for the number of strips (USU Extension). A queen quilt (90 × 95 in) needs 10 strips at 2½ in: ¾ yard.

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A quilt top laid on a backing made of two fabric panels joined by one seam, with 4 inches of extra backing on every sideQuilt top4 in40 inusable½ in seam
Backing = quilt top + 4 in per side (Missouri Star). A 58 × 66 in top needs a 66 × 74 in backing: two widths of 42 in fabric with one seam, 3¾ yards.

Binding by quilt size

Binding for standard quilt sizes, 2½ in strips
QuiltSize (in)Binding lengthStripsFabric
Crib36 × 52186 in53/8 yd
Throw (lap)50 × 65240 in6½ yd
Twin68 × 86318 in85/8 yd
Full84 × 90358 in95/8 yd
Queen90 × 95380 in10¾ yd
King108 × 95416 in117/8 yd
California king102 × 100414 in117/8 yd

Strip width

2¼ in strips suit most quilts; 2½ in suits a thicker quilt sandwich (USU Extension). Cut strips across the width of the fabric and join them with diagonal seams.

More questions

How much binding for a throw quilt?

A 50 × 65 in throw takes 6 strips at 2½ in: ½ yard.

Why add 10 in?

For the mitered corners and the join where the two ends meet.

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