What Is DK Weight Yarn?
So you've picked up a ball of yarn and the label says "DK." But what is DK weight yarn?
Yarn labels can feel like a secret code until someone breaks them down for you. DK stands for "double knit," and it's one of the most popular yarn weights.
It sits right between sport and worsted, so it's not too thin and not too chunky. That's why you can find it used for everything from sweaters and cardigans to hats, shawls, and toys.
What this article covers:
- What Is DK Weight Yarn?
- What Needle Size Should I Use With DK Weight Yarn?
- What Is the Difference Between DK and Worsted Weight Yarn?
- What Projects Are Best for DK Weight Yarn?
What Is DK Weight Yarn?
DK weight yarn is a light-to-medium weight yarn that falls into category 3 on the Craft Yarn Council's Standard Yarn Weight System. It typically knits up at 21 to 24 stitches over 4 inches on US 5 to 7 needles.
Before we go further, it helps to zoom out for a second. What is yarn, at its most basic? It's fiber that's been spun and twisted into one continuous strand. Yarn weight simply tells you how thick that strand is, and DK sits comfortably in the middle of the pack.
We've found DK strikes a nice balance. It's thick enough to finish a sweater in a reasonable stretch of evenings, but fine enough to show off cables, lace, and colorwork clearly. You'll sometimes see DK called "light worsted," especially on older British patterns.
Why Is DK Yarn Called "Double Knitting"?
DK yarn got its name because knitters once held two strands of finer yarn together to reach the same thickness. The technique of working two layers of fabric at once on a single pair of needles has been around for centuries, and the name eventually got borrowed for the yarn weight itself.
These days, DK yarn is spun as one continuous strand rather than doubled up by hand, but the name stuck around anyway.
Quick heads up: the knitting technique called "double knitting" (working two fabrics at once) is a completely different thing from DK yarn weight. Don't let a pattern trip you up on that one!
What Needle Size Should I Use With DK Weight Yarn?
DK weight yarn usually calls for US size 5 to 7 needles (3.75mm to 4.5mm) for knitting, or a US 7 to I-9 hook (4.5 to 5.5 mm) for crochet.
Our team has noticed that a lot of new knitters size down too far, which makes the fabric stiff and tough to work with. Always knit a quick gauge swatch before you start. It only takes about ten minutes, and it'll save you hours of frogging later on.
Needle size is really just a starting point too. Your personal tension might mean sizing up or down half a size to hit the gauge your pattern wants.
What Is the Difference Between DK and Worsted Weight Yarn?
DK yarn is thinner than worsted weight yarn and creates a lighter, more drapey fabric. Worsted (also called medium weight) knits up at around 16 to 20 stitches over 4 inches, while DK sits closer to 21 to 24 stitches.
If you've ever wondered what is worsted weight yarn, think of it as the heavier cousin of DK. Our worsted weight yarn collection is a full step up in thickness, and it's the go-to pick for chunky sweaters and cozy blankets.
What Projects Are Best for DK Weight Yarn?
DK weight yarn works well for sweaters, cardigans, baby blankets, hats, and lightweight shawls. It's also a favorite for amigurumi and toys, since the medium thickness keeps stitches neat and easy to count.
It's also worth asking what is yarn made of, since DK comes in wool, cotton, acrylic, alpaca, and all sorts of blends. Wool DK gives you warmth and stretch, cotton DK is cooler and great for summer garments, and acrylic blends are budget-friendly and easy to wash.
We always tell customers that DK is one of the most forgiving weights for a first sweater or project. The stitches are easy to see, the fabric is not overly bulky, and you still get the very satisfying experience of watching your project grow row by row.
Conclusion
DK weight yarn is a light-to-medium weight yarn that sits between sport and worsted, and it's one of the most versatile options in the whole yarn aisle. It works up quickly, shows off stitch detail, and suits everything from baby blankets to your first sweater.
Ready to pick some up? Browse our DK weight yarn collection and grab a skein (or five) for your next project.
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