How to Knit a Scarf — The Perfect Beginner Project

A scarf is the ideal first knitting project, and not just because it's easy. It teaches you the two fundamental skills — casting on and binding off — plus everything in between. It doesn't require shaping, you can stop whenever you run out of yarn or patience, and even an imperfect scarf is warm and wearable. Here's how to knit your first one.

What You Need

• Yarn: Worsted weight, roughly 200m. That's about one standard 100g skein for most worsted yarns. Choose something smooth — avoid mohair, boucle, or very dark colours for your first project. You need to see your stitches clearly to learn from them.
• Needles: 5–6mm straight or circular. A 5mm needle with worsted weight gives a firm, tidy fabric. A 6mm gives a softer, slightly more relaxed result.
• Tools: Scissors and a tapestry needle for weaving in ends.

How Wide Should Your Scarf Be?

Cast on 30–40 stitches for a standard scarf width (about 15–20cm). 30 stitches gives a narrower scarf, 40 gives something more substantial. Don't go narrower than 25 stitches — it starts to look like a headband.

If you want to be precise: cast on a test swatch, measure how many stitches equal 10cm, and multiply your desired width in centimetres by that number.

Casting On

The long-tail cast on is the most useful cast on to learn. It produces a neat, slightly stretchy edge and goes faster than a backward-loop cast on once you've practised it.

1. Make a slip knot and place it on your needle, leaving a tail about 30cm long.
2. Hold the needle in your right hand. Drape the tail over your left thumb, working yarn over your left index finger.
3. Insert the needle tip up through the loop on your thumb, grab the working yarn, and pull it through — one stitch made.
4. Repeat until you have your desired number of stitches.

Choosing a Stitch Pattern

You have three sensible options for a first scarf, in order of simplicity:

Garter Stitch (Knit Every Row)

Knit every stitch on every row. The resulting fabric is squishy, reversible, and doesn't curl at the edges — perfect for a scarf. It looks like horizontal ridges. This is genuinely the best choice for a first project.

Seed Stitch

Alternate knit and purl stitches across every row, and alternate which stitches you knit and purl on the following row (so you knit into purls and purl into knits). This creates a bumpy, textured fabric that also lies flat. Cast on an odd number of stitches so every row starts and ends with a knit stitch.

Moss Stitch

Similar to seed stitch but with a two-row repeat. Work k1, p1 across for two rows, then p1, k1 across for two rows. Creates a slightly different texture that's equally flat and reversible.

Avoid stockinette (knit one row, purl one row) for a scarf — it curls badly at the edges without a border and is frustrating for beginners.

Working to Length

A standard adult scarf is 150–180cm long. A shorter scarf (120cm) works well as a cowl-style wrap. Longer than 200cm and it becomes a statement piece — or a project you'll tire of.

Just keep knitting until your skein runs low. Leave yourself enough yarn to bind off (roughly the width of the scarf times three, plus 20cm extra). If you're using a second skein, join it at the start of a row by simply starting to knit with the new yarn and weaving in both tails later.

Binding Off

Binding off removes your stitches from the needle in a way that creates a finished edge:

1. Knit the first 2 stitches.
2. Insert the left needle tip into the first stitch on the right needle (the rightmost one).
3. Lift it over the second stitch and off the needle — 1 stitch bound off.
4. Knit 1 more stitch, then repeat step 2–3 until 1 stitch remains.
5. Cut the yarn, pull the tail through the last stitch, and tighten.

Bind off loosely. A too-tight bind off creates a puckered edge that's shorter than your cast-on. If your bind off is tight, go up a needle size just for the bind-off row.

Finishing Your Scarf

Thread your tapestry needle and weave in the tail ends — once at the cast-on, once at the bind-off, and once for any yarn joins. Weave the tail in one direction for 3–4 cm, then back the other way to secure it. Trim close to the fabric.

Blocking makes a remarkable difference, even for garter stitch. Soak the scarf in cool water for 20 minutes, squeeze out excess water in a towel, and lay flat to dry. Gently stretch to your desired dimensions and leave until completely dry. Your stitches will even out and the scarf will drape beautifully.

What to Do When Something Goes Wrong

• Your stitch count is increasing: You're accidentally knitting into the bar between stitches or the slip knot. Count every few rows to catch mistakes early.
• Your edges are messy: Slip the first stitch of every row purlwise without knitting it. This creates a neat chain selvedge.
• You dropped a stitch: Don't panic. Get help from Emma — dropped stitches are fixable in garter stitch even after several rows.

Once you've finished your scarf, a hat is the natural next step — you'll use everything you learned here, plus add knitting in the round.

Still stuck? Ask Emma and get an answer in minutes →