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How to knit a cozy beanie with basic stitches

Knitting a cozy beanie is a satisfying weekend project that uses simple stitches and gives you a warm, wearable result. This guide walks you through choosing materials, casting on, knitting the body, shaping the crown, and finishing so even a beginner can create a neat hat in a few hours.

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  1. Step 1: Gather materials and tools

    Choose one skein of worsted-weight yarn (approx. 100 g / 200 yards) and a set of 4.5 mm (US 7) circular needles 16 inches long or double-pointed needles in the same size. Have a tapestry needle, stitch marker, scissors, and a measuring tape ready; the yarn weight and needle size determine gauge and finished size.

    [Illustration: skein of yarn, circular needles, DPNs, tapestry needle, scissors on a table]

  2. Step 2: Measure head and check gauge

    Measure the intended head circumference (typical adult 20–22 inches / 51–56 cm). Knit a 4 x 4 inch (10 x 10 cm) swatch in stockinette using chosen yarn and needles to get gauge; adjust needle size if necessary so 18–20 stitches = 4 inches.

    [Illustration: hand measuring head circumference and a small knitted swatch with ruler]

  3. Step 3: Cast on in the round

    Cast on 80–96 stitches depending on your gauge and desired fit (80 for snug, 96 for slouchy) using a long-tail or tubular cast-on. Join carefully to knit in the round, placing a stitch marker to mark the beginning; joining without twisting ensures an even seamless hat.

    [Illustration: hands casting on stitches on circular needles with marker in place]

  4. Step 4: Knit ribbed brim

    Work a 1 x 1 rib (knit one, purl one) or 2 x 2 rib for 1.5–2 inches (4–5 cm) to form a stretchy brim. Ribbing creates elasticity so the hat stays comfortable on the head; keep tension even to avoid puckering or uneven edges.

    [Illustration: close-up of ribbed knitting on circular needles forming the brim]

  5. Step 5: Knit hat body in stockinette

    Switch to stockinette (knit every stitch in the round) and continue for 5–6 inches (13–15 cm) from the cast-on edge for a standard beanie length. Try the hat on or measure against the head to reach your preferred height before beginning decreases.

    [Illustration: smooth stockinette fabric on circular needles forming the body of the hat]

  6. Step 6: Decrease to shape crown

    Begin crown decreases when the hat measures desired length: repeat rounds of k8, k2tog then k7, k2tog, etc., spacing decreases evenly; after each decrease round, knit one plain round. Continue reducing until about 8–12 stitches remain, then cut yarn leaving a 6-inch tail.

    [Illustration: knitting needles showing decrease stitches and shrinking circumference near crown]

  7. Step 7: Finish and weave in ends

    Thread the tail through a tapestry needle and pull it through remaining stitches to close the top, cinching firmly for a neat point. Weave in all loose ends on the inside for a clean finish, steam or block lightly for 10–15 minutes to relax stitches and improve drape.

    [Illustration: tapestry needle pulling yarn tail through top to close beanie and woven ends inside]


  • Use a contrasting waste yarn to try the hat on during knitting for perfect length adjustments.
  • If you prefer a slouchier look, add 1–2 inches (2.5–5 cm) to the stockinette section before decreasing.
  • Keep stitch marker visible to avoid accidentally twisting your cast-on when joining in the round.
  • If your joins show ladders, tighten the first stitch on each needle slightly to close gaps.
  • Swap in a stretchy cast-on (like tubular) for a professional-looking edge on ribbed brims.
  • Use stitch markers every 8–12 stitches when decreasing to keep count and maintain symmetry.

  • Avoid pulling the final cinch tail too tightly; over-tightening can distort the crown shape and make the top pointy.
  • Do not use metal needles with very slippery yarn if you are a beginner; stitches may drop easily and be hard to recover.
  • Keep long hair and loose clothing away from needles while knitting to prevent snags or accidents.
  • Check fiber care on your yarn label before blocking; some fibers will felt or shrink if washed incorrectly.

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