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1525 10th Avenue South #2  Great Falls, MT 59405
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Established 1998, Veteran Owned and Operated by 8 veterans
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Authorized National Handi Quilter Dealer Since 2006
Authorized Janome and Brother Dealer Since 2004


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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.

 
Showing 1 - 30 of results
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PRODUCT

Northcott Stonehenge Marble 108" Wide Back Brown B25049-34 ^

$17.95 $21.99

PRODUCT

Benartex 108" Wide Back Yellowstone Cowboys Saddle Charcoal 114483W11B ^

$18.98 $23.98

PRODUCT

Benartex Paint Splash 108in Wide Back Turquoise/Lilac 14162W-85 +

$20.95 $22.99

PRODUCT

Benartex Paint Splash 108in Wide Back Royal 14162W-55 +

$20.95 $22.99

PRODUCT

Beanrtex Wave Texture 108" Wide Back 2966W-54 Turquoise +

$17.95 $21.99

PRODUCT

Benartex Washed Wood Flannel 108in Wide Back 7709WF-70 Natural +

$21.95 $22.99

PRODUCT

Benartex Washed Wood Flannel 108in Wide Back 7709WF-14 Gunmetal Black +

$21.95 $22.99

PRODUCT

Benartex Washed Wood Flannel 108in Wide Back 7709WF-72 Espresso Brown +

$21.95 $22.99

PRODUCT

Benartex Washed Wood Flannel 108in Wide Back 7709WF-08 Nickel +

$21.95 $22.99

PRODUCT

Benartex Washed Wood Flannel 108in Wide Back 7709WF-78 +

$21.95 $22.99

PRODUCT

Benartex Harbor Blue Washed Wood Flannel 108in Wide Back 7709WF55

$21.95 $22.99

PRODUCT

Northcott 108" Stonehenge Migration Wide Back B27157-68 Dark Teal +

$18.75 $23.99

PRODUCT

Northcott Silent Lake 108in Wide Back B27252-54 +

$21.99 $23.99

PRODUCT

Robert Kaufman Kona Wide 108" Black K082-1019 +

$15.99 $17.99

PRODUCT

Wilmington 108in Wide Back Turquoise Haze 3066 4557 447 +

$17.99 $19.50

PRODUCT

Wilmington Dry Brush 108" Wide Back 1055-7213-449 Dark Blue +

$17.99 $20.99

PRODUCT

Northcott Universe Constellations 108" Wide Back B2485946 ^ 1 Yard Cut

$19.99 $21.99

PRODUCT

RK Kona Cotton 1339 Snow 784626929326 ^

$8.99 $10.70

PRODUCT

QT 108" Wide Back Tree Dance Branches 1899-30294-K ^

$16.99 $18.99

PRODUCT

Northcott Bliss Ombre Ensemble 108" Wide Back B24345-49 Twlight 1.75 yd ^

 

PRODUCT

Color Story 108 in Wide Back 193035134298 ^

$14.99 $20.80

PRODUCT

Benartex 108" Wide Back Yellowstone Cowboys Saddle charcoal 114483W11B ^

$19.98 $23.98

PRODUCT

Benartex 108" Wide Back Yellowstone Cowboys Saddle Brown 14483W77B ^

$19.98 $23.98

PRODUCT

Northcott Stonehenge Ombre 108" Wide Back B39433-47 MIdnight 2 yd cut ^

$37.99

PRODUCT

Northcott Stonehenge 108" Wide Back B3937-91 Grey 1 Yard Cut ^

$18.75

PRODUCT

Windham 108in Wide Back White/Multi Paint Splatter 51537-1 3 Yard Cut

$56.97 $74.97

PRODUCT

Windham New Vintage 108in Wide Back 52888DW-1DES Digitally Printed ^

$18.99 $24.99

PRODUCT

QT Spotsy 108" Wide Back 1899-29913 AJ Brown ^

$16.99 $18.99

PRODUCT

QT Spotsy 108" Wide Back 29913 KJ ^

$16.99

PRODUCT

Northcott Patriot Navy Multi Wide Backing 108" B25543-48 ^

$18.75 $21.99

 
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CONTACT US

jw@bigskyquilts.com

406 727 1757
      1525 10th Ave S  #2
       Great Falls, MT 59405

                 OPEN
 Thursday, Friday, Saturday 10-5:30

                CLOSED
Sunday, Monday, Tuesday, Wednesday

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LITTLE ABOUT US

Big Sky Quilts stocks all the fabrics, notions, kits, patterns, and batting materials you need to make beautiful quilts. Need a sewing machine? We have those too, along with an onsite repair department and professional long arm quilters to help you finish your projects. Our store features a friendly environment where you'll enjoy a wide range of fun, informative classes, plenty of creative inspiration, and the best customer service around!