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First you must measure your quilt top.  If your quilt top is a “standard” size, then you can use this handy chart.  If it falls somewhere in between, then follow the instructions below the chart. 

Wide Quilt Backing Estimator 

Quilt Size 

Quilt Dims. (Inches) 

108”/118” Wide Fabric 

44” Wide Fabric 

Baby 

30” x 40” 

1-¼ - 1-½ yards 

1-¼ - 1-½ yards 

Crib 

40” x 60” 

1-½ yards 

4 – 5 yards 

Throw 

60” x 70” 

2-¼ yards 

6 yards 

Twin 

72” x 92” 

2-½ yards 

6 yards 

Full 

86” x 92” 

2-¾ yards 

6 yards 

Queen 

92” x 96” 

3 yards 

9 yards 

King 

100” Square 

3-¼ yards of 116”/118” 

9-¾ yards 

How to Figure the Amount of Wide Quilt Backing to Order

1.  Measure the width (W) and length (L) of your completed quilt top.  For example:  60” W x 72” L 

2.  Add the number of extra inches required by your longarm quilter (usually 3” on each side for a total of 6”).  Prewashing means less shrinking and crinkles. As you probably know, fabric shrinks when it's been washed and dried. If you wash your quilt AFTER you've sewn it together, the fabrics will most likely shrink and have an unwanted crinkle effect that you weren't expecting.  We also suggest adding 1/8 - ¼ yard for shrinkage if you plan to pre-wash you're backing. *

60” + 8” + 5” = 73” W 

72” + 8” + 5” = 85” L 

3.  You will need a wide back that measures at least 73” x 85”.  Most of our wide backs are 108” wide, which can be used for the length of the quilt.

4.  Divide the measurement for the width of your quilt by 36” to figure the amount of yardage to order: 

73” ÷ 36” = 1.89 yards of 108” fabric.  

We sell by the ¼ yard, so you would need to order 2 yards.  That will give you a piece that measures 72” x 108”.  Remember; it is better to have too much than not enough! 

Helpful Hints:

  • While it is your personal choice, we recommend pre-washing your wide back in cold water and drying in a cool dryer as wide quilt backing shrinks at a higher rate in the width than regular quilting cottons.  If your quilt top is larger than 97” long and you plan to pre-wash, add ¼ yard to the calculated yardage above. 
  • If you have a very large quilt top, make sure to carefully calculate your yardage requirements because a 108” wide back may not be large enough.  Keep in mind we carry up to 120” wide backs.

 
108 Inch Wide Quilt Backing
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PRODUCT

QT The Wonder of Nature 108" Wide Back Pine Trees 30639-X

$19.90 $21.99

PRODUCT

Riley Blake WB200R-GRASS Shade 108in Wideback Grass 889333339380

$20.99

PRODUCT

Northcott Bliss Amethyst 108 Wide B23887-84 ~ 2.33Yard cut

$46.58 $58.23

PRODUCT

Northcott Lone Wolf Lone Wolf 108" Wide B27182-66 ~ 4Yard cut

$79.00 $95.96

PRODUCT

Northcott Whisper 108' Wide Back B28701-68 Teal ~ 3/4Yard cut

$14.21 $17.24

PRODUCT

QT Aura 108" Wide Back 1899-30199-B Blue ~ 2.5Yard cut

$36.88 $49.98

PRODUCT

Studio E 108" Wide Back Good Nature 8857-78 Mint Tree Bits

$22.75 $24.90

PRODUCT

P&B 108" Wide Backing Crushed Velvet Texture CVEW06017J

$20.50 $22.99

PRODUCT

Wilmington Prints 108in Wide Back Charcoal Dry Brush 7213-999 Cut 3/4 yd

$11.99

PRODUCT

Benartex Paint Splash 108in Wide Back Turquoise/Lilac KAS14162W85 2-3/8 Yard Cut

$39.07 $52.87

PRODUCT

Northcott Fabrics Smooth Sailing 108" Wide B28911-44 Blue

$22.95 $26.00

PRODUCT

Benartex 108" Wide Back Celedon Superior Solid 3000SW-15

$16.95 $20.00

PRODUCT

QT Fabrics Vibe 108" Wide Back 1999-30664-M Wine

$17.95 $21.95

PRODUCT

QT Fabrics 108" Wide Back 1899-30199-F Evergreen

$17.95 $21.99

PRODUCT

QT Fabrics 108" Wide Back Got Your Back Abstract Colors 1899-29253-X

$17.95 $21.99

PRODUCT

Northcott Stonehenge 108" Wide Back B3937-24 Cardinal Red

$18.75 $20.99

PRODUCT

Northcott Stonehenge Wide Backing 108 In B39382-32 ~ 1-3/4Yard cut

$32.80 $41.55

PRODUCT

Northcott Stonehenge Ombre 108" 1.25 Yard cut

$23.68

PRODUCT

Benartex Washed Wood Flannel 108in Wide Back 7709WF-72 Espresso Brown ~1.5Yard cut

$31.42 $34.48

PRODUCT

Benartex Harbor Blue Washed Wood Flannel 108in Wide Back 7709WF55 ~ 1Yard cut

$18.20 $22.99

PRODUCT

Riley Blake 108in Wide Back Black Dapple Dot

$19.95 $26.95

PRODUCT

Riley Blake 108" Wide Back WB200-Teal

$24.75 $26.95

PRODUCT

Riley Blake 108" Wide Back WB200-Robin

$24.75 $26.95

PRODUCT

Northcott Stonehenge Marble 108" Wide Backing- B25044-67 Prussian

$20.45 $22.99

PRODUCT

Northcott Stonehenge 108" Wide Back Flannel Quartz BF39302-990 'Black - copy

$21.95 $23.99

PRODUCT

P&B Fluidity 108" Wide Back FWID05113M 1-1/2 Yard cut

$26.99 $29.99

PRODUCT

Northcott Fox Den 88 x 108in Wide Back Beige B28337-14 2.38yd

$44.99

PRODUCT

Northcott Stonehenge Marble 72 x 108 Wide Backing- B25049-13 Cream 2 yds

$39.99

PRODUCT

Northcott 108" Wide Back City Lights B2395791 ~ 1Yard cut

$18.95 $20.95

PRODUCT

Maywood Studio Kimberbell 108in Wide Back Aqua Small Dot MASQBD214-Q

$19.95 $22.99

 
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