Baby Sweater Knitting Pattern

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This basic baby sweater knitting pattern is rated as an easy knit as it has very little shaping and is knitted in stocking stitch.

The jumper in this pattern consists of four pieces, the back and the front and two sleeves.  The kind of neckline in this baby sweater knitting pattern is often called a boat neck and is straight rib with a little shaping for the shoulders.

The style of neck on this basic baby sweater is particularly good for infants as the opening at the neck is quite wide making it easy to get the jumper on and off over their heads.

I used Peter Pan 4 Ply Baby Yarn to knit the example of the sweater produced using this basic baby sweater knitting pattern.

Approximate sizing for this pattern is 000 (newborn to 3 months), 00 (3-6 months) and 0 (6-12 months), but remember not all babies are the same size at the same age.  It might pay to check the infants chest measurement before you start knitting!

Basic Baby Sweater Knitting Pattern

Fits Chest









Garment Measures






4 Ply Baby Wool 






1 pair each 3.25mm (UK 10, US 3) and 2.75mm (UK 12, US 2) or sizes needed to give correct tension. 


Knitters Needle for sewing seams
6 small buttons 


28 sts and 36 rows to 10 cm width over stocking stitch.

Knitting Instructions


**Using 2.75mm Needles, cast on 63, (67, 71) sts.

1st row: K2, *P1, K1, rep from * to last st, K1.
2nd row: K1, *P1, K1, rep from * to end.
Rep 1st and 2nd rows until work measures 2cm ending with a 1st row.

Next row: Rib 6 [6, 9], M1, (rib 4 [4, 3], M1) 12 [14, 18] times, rib to end, (76 [82, 90] stitches).

Change to 3.25mm needles and work in stocking stitch until work measures approx 13 [14, 15] cm.

Shape armholes by casting off three sts at beg of next 2 rows.
Dec 1 st at each end of next 3 [5, 5] rows, then every alt row until 62 [66, 68] sts remain.**
Work straight until Back measures 22 [24, 26] cm, ending with right side facing for next row.

Work 4 rows in K1, P1 rib, increasing 1 st at the centre point of the first row.
Next row: Rib 19, turn and leave remaining sts on a spare needle.
Work 5 rows in rib, cast off.
Rejoin yarn to remaining sts, cast off next 25 [27, 29] sts for back of neck, rib to end.
Work 5 rows in rib.

Cast off.


Work as for Back from ** to **

Work straight until work measures 21 [23, 25] cm ending with a wrong side row.

Work 4 rows in K1, P1, rib.
Next row: Rib 19, cast of 25 [27, 29] sts, rib to end.
Work 3 rows in rib.
Next row: (Buttonhole rib), rib 3, *yon, k2tog, k4, rep from * twice, yon, k2tog, rib to end.
Work 3 rows in rib, cast off.
With wrong side facing, rejoin yarn to remaining sts, rib to end. Work 2 rows in rib.
Next row: (Buttonhole rib), rib 3, *yon, k2tog, k4, rep from * twice, yon, k2tog, rib to end.
Work 3 rows in rib.

Cast off.


With 2.75mm needles, cast on 35 [37, 39] sts.

Work 2cm in K1, P1 rib ending with a right side row.
Next row: Rib 3 [4, 5], M1, (rib 5, M1) 6 times, rib to end (42 [44, 46] sts).

Change to 3.25mm needles and work in stocking stitch, shaping sides by inc 1 st at each end of 3rd (5th, 7th] row until there are 56 [58, 60] sts.
Work straight in patt until sleeve seam measures approx 12 [15, 18] cm.

Shape top by casting off 3 sts at beg of next 2 rows.
Dec 1 st at each end of next and every alt row until 46 [42, 38] sts remain. Work 1 row.
Now dec 1 sts at each end of every row until 16 sts remain.

Cast off.


Do not press.
Join side and sleeve seams. Overlap front over back at armhole edge and insert sleeves, stitching through double thickness at shoulders.
Sew on buttons.

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