Millimeter Conversion Chart
The chart below will help you convert fractional inches to millimeters.
FRACTIONAL
INCH
MILLIMETER
EQUIVALENT
1/16 1.5875
1/8 3.175
3/16 4.7625
1/4 6.3500
5/16 7.9375
3/8 9.525
1/2 12.700
5/8 15.875
3/4 19.050
7/8 22.2250
1 25.400
Backing Materials
The use of backing materials and/or toppings will enhance your embroidery. The type of
backing needed is determined by the fabric being embroidered. In most cases, backing will be
needed to prevent stitches from pulling and distorting the garment. Backing materials give
strength to unstable fabrics (knits) and a better appearance on woven fabrics (less puckering
and pulling).
Fabrics fit into three general categories
Wovens Non-stretch materials such as satin jackets, towels, denim and
canvas.
Knits Stretch materials such as sweaters, sweatshirts, jerseys and
t-shirts.
Special Non-woven, non-knit materials such as felt, leather or suede.
Backings are used with all knits and stretch fabrics, as well as with most thin or sheer fabrics.
Backing Guidelines
A loose knit fabric can be embroidered, but without selecting proper stitch density and
backing, the garment can be stretched and possibly cut. The operator’s concern is to keep
fabrics from stretching, puckering, or popping through the stitches during sewing. In general ,
thinner garments, need more stable backing.
Backings range from very light-weight tearaway to heavy-weight cutaway, from iron-on to
non-adhesive. All serve different purposes. The most universal backings are medium-weight
tearaway or cutaway types.
1-26 X Series Mechanical Guide
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