We know how confusing it can be to figure out how heavy, or light, a spool of thread is. This is one of the reasons we have so many different ways for you to shop for thread on our site: shop thread by brand, shop thread by material, shop thread by use, or shop thread by weight.
THREAD BY WEIGHT
For the purposes of this post, let's focus on that last one – thread by weight. We've broken that down by light-weight thread, medium-weight thread and heavy-weight thread. While this certainly helps point you in the right direction, what do you do when one brand uses tex for their measurement for weight and and another uses denier, dtex, or weight? How do they compare and how do you convert? We've got your answer. Our handy quick thread conversion chart will help you, for example, learn that 40 weight = 40 Nm = 225 denier = Tex 25 = Dtex 250.
What is Tex Weight?
Here at WAWAK Sewing Supplies, it’s common to see threads labeled with a “Tex” Number. But what does that number mean? Tex, or Tex Weight, is a standard way of measuring thread weight that’s deceptively easy to understand: the higher the Tex, the thicker the thread. That’s all there is to it!
A thread’s Tex is equal to the weight in grams of 1000 meters of that thread, so a heavier thread has a higher Tex. For example, if 1000 meters of a thread weighs 30 grams, it is Tex 30. Typical light-weight sewing threads range from Tex 8-25, medium-weight sewing threads are Tex 25-40, and heavy-weight sewing threads are Tex 40 and up.
We know that sewing thread weights can be confusing, so we put together a handy chart of some equivalents between commonly used thread weights to help you find the perfect match. Find an estimated equivalent on the chart below, or convert a thread weight on your own using our thread conversion chart.
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Use this handy chart to quickly convert thread weights from one type to another.