How Much Yarn Do I Need To Knit A Baby Sweater? (Answers for 3 Sizes)

By Jodie Morgan

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Our included yarn calculation table gives you the quick answers to the question – How much yarn do I need to knit a Baby Sweater? Sizes for a 6 month, 12 month and 18 month old baby. No running out of yarn!

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I reviewed, fact checked and updated this post on May 16, 2023.

Table Of Contents

I highly recommend using a pattern to knit a Baby Sweater. The designer gives details of the yarn weight and the yardage. By the way, knitting this on a machine uses a different amount of yarn. Check out my post for details.

The example pattern I’m using is the Caron Simply Cute Pullover baby sweater pattern using garter stitch. It is a great option for beginners. There’s a range of size inclusions.

How Much Yarn Do I Need For A Baby Sweater?

Using Worsted Weight #4 Yarn here is how much yarn you need for 3 different sizes of baby sweater for 6 months, 12 months and 18 month olds.

6 Months

To knit a Baby Sweater measuring finished chest 19 inches (48 cm) – (using the example pattern) you will need a minimum of 330 yards (300 meters) of Worsted Weight #4 yarn, total weight of 7 oz (200 g) – Number of skeins is 2 skeins (each skein weighs 3.5 oz/ (100 g).

12 Months

To knit Baby Sweater measuring finished chest 20 inches (51 cm) – (using the example pattern) you will need a minimum of 330 yards (300 meters) of Worsted Weight #4 yarn, total weight of 7 oz (200 g) – Number of skeins is 2 skeins (each skein weighs 3.5 oz/ (100 g).

18 Months

To knit Baby Sweater measuring finished chest 21 inches (53.5 cm) – (using the example pattern) you will need a minimum of 330 yards (300 meters) of Worsted Weight #4 yarn, total weight of 7 oz (200 g) – Number of skeins is 2 skeins (each skein weighs 3.5 oz/ (100 g).

How Much Worsted Weight Yarn Needed For Baby Sweater?

Here’s my handy guide to how much worsted weight yarn for knitting a Baby Sweater and yards of yarn required when knitting garter stitch (using the example pattern) in 3 different sizes.

6 month Size Baby Sweater Yarn Estimates
With Worsted Weight Yarn (#4)

Finished Chest (In)

19 inches

Finished Chest (Cms)

48 cms

Estimated Yardage

330 yards

Estimated Meterage

300 meters

Estimated Ounces

7 oz

Estimated Grams

200 gms

Estimated Skeins

2 skeins


12 month Size Baby Sweater Yarn Estimates
With Worsted Weight Yarn (#4)

Finished Chest (In)

20 inches

Finished Chest (Cms)

51 cms

Estimated Yardage

330 yards

Estimated Meterage

300 meters

Estimated Ounces

7 oz

Estimated Grams

200 gms

Estimated Skeins

2 skeins


18 month Size Baby Sweater Yarn Estimates
With Worsted Weight Yarn (#4)

Finished Chest (In)

21 inches

Finished Chest (Cms)

53.5 cms

Estimated Yardage

330 yards

Estimated Meterage

300 meters

Estimated Ounces

7 oz

Estimated Grams

200 gms

Estimated Skeins

2 skeins

How Many Yards Of Yarn Do I Need to Knit A Baby Sweater?

To knit a Baby Sweater measuring finished chest 19 inches (48 cm) – (using the example pattern) you will need a minimum of 330 yards (300 meters) of Worsted Weight #4 yarn.

How Many Skeins Of Yarn Do I Need For A Pair Of Baby Sweater?

To knit a Baby Sweater measuring finished chest 19 inches (48 cm) – (using the example pattern) you will need a minimum of 2 skeins (each skein weighs 3.5 oz/ (100 g).

How Many Balls Of Yarn Do I Need For Knit Baby Sweater?

To knit a Baby Sweater measuring finished chest 19 inches (48 cm) – (using the example pattern) you will need a minimum of 2 skeins (each skein weighs 3.5 oz/ (100 g) of Worsted Weight #4 Yarn

How Many Ounces Of Yarn For Knit Baby Sweater?

To knit a Baby Sweater measuring finished chest 19 inches (48 cm) – (using the example pattern) you will need a minimum of 7 oz (200 g) of Worsted Weight #4 yarn.

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Conclusion

Now you know how much yarn you’ll need to knit a Baby Sweater, it’s time to start your next project! Making other sweater projects? Read my post on how much mohair yarn to knit a sweater, or how much yarn for a toddler sweater.

Frustrated Teacher Quits In Disgust, Sells The Farm, Moves The Family Halfway Across The World And… Starts Knitting

About The Author

Jodie Morgan From Knit Like Granny

Jodie Morgan (Author & Founder)

jodie@knitlikegranny.com | Lives In: Regional Australia

Author: Jodie Morgan is a passionate knitter and blogger with 40+ years of experience currently living in regional Australia. Taught by her mother and wonderful grandmother “Mama”, she fell in love with crafting from a young age. When she’s not knitting, you’ll find her enjoying a cup of coffee with cream, or sharing helpful resources and tips with the online knitting community. Get to know Jodie and the team on our meet the team page.

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