Tool

Needle and thread finder

Choose what you are sewing and how heavy it is. The finder gives the needle type and size range to use and the thread that goes with it.

Find your needle

5/8 in seam allowance
2. Fabric weight

For example quilting cotton, linen, poplin.

Use this needle

Universal 80/12 to 90/14

Thread

All-purpose 50 wt polyester

Home machines use system 130/705H needles. Some sergers and coverstitch machines need ELx705 or another system, so check the manual.

Needle size by fabric weight

Needle sizes come in pairs. The first number is the European size, the blade diameter in hundredths of a millimeter, so 70/10 is 0.70 mm. The second is the US size. The heavier the fabric, the larger the needle.

Needle type and thread by fabric or task

Thread weight runs the other way

Thread weight numbers go up as the thread gets finer, so 50 wt is finer than 40 wt and 30 wt is heavier again. All-purpose 50 wt polyester suits most garment sewing and knits. Quilters usually piece with 50 wt cotton. Embroidery uses 40 wt rayon or polyester on top with a lighter 60 wt bobbin thread. Heavy topstitching thread needs a topstitch needle, whose eye is large enough for it.

Change the needle when you start a new project or after several hours of sewing, and whenever stitches start skipping. More on the basics in needles, thread and hoops.