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What Is Fingering/Sock/Sport/DK/Worsted...Weight Yarn?

Yarn weights go by so many different names, it can be difficult to keep track of what's what! (For example, did you know that Fingering weight and Sock weight are one and the same?)

To help you out, we've compiled a chart using the yarn weight standards developed by the Craft Yarn Council, along with examples of Lion Brand Yarn in each category.

Yarn Weight Symbol/Category Name Commonly Used Names Example of Lion Brand Yarn
Cobweb, Lace, Crochet Thread
LB Collection® Wool Stainless Steel *
Sock, Fingering, Baby
LB Collection® Silk Mohair
Sport, Baby
Vanna's Glamour™
DK, Light Worsted
LB Collection® Cotton Bamboo
Worsted, Afghan, Aran
Chunky, Craft, Rug
Wool-Ease® Chunky
Bulky, Roving
Wool-Ease® Thick & Quick®

* Note: Although LB Collection® Wool Stainless Steel is listed on our website as a Category 1 Super Fine yarn, it may be used as a Category 0 yarn.

Interested in learning more about which of our yarns are in which weight category? Click here to check out our list of yarns by weight class on LionBrand.com.

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  • http://www.coolcrochet.etsy.com Sherrie

    Thanks for the lowdown on yarn weights! It was nice to see words like Roving, Fingering & Aran put into perspective. Some of these took me a long time to figure out, and cannot be found on labels- so this is like a shortcut for newer yarncrafters. 

  • Christie

    thanks for the info..... I still have one question... where does "crochet thread" fit into the picture? I have seen patterns for " aunt Lydias's crochet thead size 3" so is that smaller than a 0? .......
    thanks for the help!

  • http://www.facebook.com/susan.masse Susan Masse

    The best way to calculate thread/yarn size is WPI (wraps per inch). I would love to see every company include this information along with their opinion of the weight of the yarn and its symbol. I always record wraps per inch when starting a project: if someone wants to recreate it 50 years from now, they will still be able to calculate the WPI and choose a yarn that will work for them.

  • Marsha

    I was at the store the other day and a "non-crocheter" was in the yarns looking for "3-ply" yarn which was on her son's school list..... I hadn't heard of yarn referred to in that manner..... I am use to worsted, sock, baby, sport, etc.  I had to stop and think about it!

  • debwayedsar

    could you use size 5 crochet thread for #1 weight yarn?

  • april

    What is the difference between fingering yarn and #10 cotton bedspread weight yarn?

    Thank-you, April

  • http://blog.lionbrand.com/2012/09/16/the-dye-lot-issue-how-we-can-help/ We Guarantee Dye Lots at LionBrand.com | Lion Brand Notebook

    [...] What Is Fingering/Sock/Sport/DK/Worsted…Weight Yarn? [...]

  • Judy Brown

    If a pattern calls for DK doubled, may I use a single #6 and get the same results?

  • paula

    I would like to see the yards per ounce listed on the labels. That tell me more about the yarn than any other information.... wraps per inch, stitches per inch, can be pretty subjective by the person doing knitting or wrapping!! I know exactly what I need to know by how many yards per ounce a yarn is ....I can then pick up my needles and start "swatching" or do my own wraps per inch on my calculator!.