Bonnie Baby Beanie Crochet Pattern in Five Sizes

The Bonnie baby beanie crochet pattern uses simple single crochet in a spiral and finishes with a narrow ribbed brim. Self-striping yarn supplies the color changes, so there is no separate stripe chart. The supplied design gives five sizes from 0–3 through 18–24 months; use the matching measurements and stitch counts throughout.

Materials, Gauge and Size

Paintbox Baby DK Prints, 50 g balls: one ball for each of the first three sizes and two balls for each of the last two. Use 3.5 mm / US E-4 hook for the hat and 3 mm / US D-3 hook for the brim, plus a marker, needle and scissors. Gauge in continuous-round sc is 24 stitches and 27 rows per 4 in / 10 cm. These are finished source measurements, not the wearer’s head circumference.

Stitches and Pattern Notes

US crochet terms: ch = chain; sc = single crochet; hdc = half double crochet; dc = double crochet; tr = treble crochet; sl st = slip stitch; st = stitch; sp = space; BLO = back loop only; inc = 2 stitches in one stitch. Sc2tog, hdc2tog and dc2tog combine two neighboring stitches into one. A number before a stitch tells you how many consecutive stitches to work. Parentheses followed by a repeat number describe one complete group repeated that many times.

Choose One Consistent Size

Source age label	Finished measurements	Body count / last round
0–3 months	30 cm around × 14 cm long	72 body sts; finish body at R32
3–6 months	32.5 cm × 15 cm	78 sts; finish at R35
6–12 months	35 cm × 16 cm	84 sts; finish at R38
12–18 months	37.5 cm × 16.5 cm	90 sts; finish at R40
18–24 months	40 cm × 17 cm	96 sts; finish at R42

Step 1: Increase the Crown

With 3.5 mm hook, make a magic ring. Round 1: ch 1 without counting it, then 6 sc in the ring. Do not join or turn. Round 2: inc in each stitch (12). Mark the last stitch and move the marker up every round.

For Rounds 3–12, repeat (inc, sc in the next N stitches) six times, increasing N by one in each round. N is 1 in Round 3, 2 in Round 4, continuing through 10 in Round 12. Your totals are 18, 24, 30, 36, 42, 48, 54, 60, 66 and 72. The six increases add exactly six stitches per round.

Step 2: Finish the Correct Crown and Body

For 0–3 months, stop increasing at 72 stitches and sc around for Rounds 13–32. For 3–6 months, work Round 13 as (inc, 11 sc) six times (78), then sc around for Rounds 14–35. For 6–12 months, add Round 14 as (inc, 12 sc) six times (84), then work Rounds 15–38 plain.

For 12–18 months, add Round 15 as (inc, 13 sc) six times (90), then work Rounds 16–40 plain. For 18–24 months, add Round 16 as (inc, 14 sc) six times (96), then work Rounds 17–42 plain. Check the total for your chosen size before starting the straight body.

Step 3: Attach the Ribbed Brim

At the end of the final body round, sl st in the next stitch without fastening off. Change to 3 mm hook and ch 6 to begin the brim at right angles to the hat. Brim Row 1: sc from the second chain across (5 sc), sl st into the next hat-body stitch and turn. Row 2: skip that joining sl st and work 5 BLO sc back along the rib; turn.

Row 3: ch 1, work 5 BLO sc back toward the hat, sl st into each of the next two body stitches and turn. Row 4: skip both joining slip stitches, work 5 BLO sc along the rib and turn. Repeat Rows 3–4 around the hat, finishing on a Row 4. The joining slip stitches anchor the rib; they are not extra rib stitches.

Step 4: Seam and Finish

On the wrong side, join the two short brim ends. Work from the outer brim edge toward the hat, slip stitching through the front loop of each final-row stitch and the matching back loop of the original foundation chain. Fasten off and weave the ends inside.

The source adds a small pompom at the crown. That is optional decoration; omit it for a plain finish. If using one, secure it carefully and inspect its attachment. Measure the finished brim relaxed after washing according to the yarn label. A different yarn or looser gauge can change the finished circumference substantially.

Frequently Asked Questions

Do I join every body round? No. The hat body is worked continuously in a spiral.

Does the brim use the same hook? The source switches from 3.5 mm to 3 mm.

How wide is the brim? It is five sc across, worked back and forth perpendicular to the final body round.

More Baby Crochet Ideas

Browse our Crochet Baby collection, compare baby bootie patterns, or explore baby cardigan ideas. Save the project to Pinterest before gathering your yarn.

Pattern and Photo Credits

Adapted from the supplied Bonnie Beanie Hat.pdf. Pattern and photographs: Paintbox Yarns / LoveCrafts Group Limited. Source photographs show the reference samples; captions identify any detail crops. This written adaptation has been reviewed against the supplied pattern pages but has not been physically crocheted or maker-tested. Yarn substitutions and tension can change the result.