How Much Yarn Do I Need To Knit A Sweater? [Answers for 5 Sizes]

By Jodie Morgan

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Our included yarn calculation table gives you quick answers to the question – How much yarn do I need to knit a sweater? No running out of yarn!

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I reviewed, fact checked and updated this post on May 17, 2023.

Table Of Contents

I recommend using a pattern to knit a sweater. The designer gives the yarn weight and yardage and suitable yarn choices. The example pattern I’m using is the Keiko Sweater by Sari Nordlund. It’s a great option for beginners.

Here’s my handy guide to how much yarn for knitting a sweater in 5 sizes and yards of yarn required when using the example pattern in worsted weight #4 yarn. This is thicker than yarn labeled sock.

How Much Yarn Do I Need For A Sweater?

Size Extra Small

To knit a sweater with finished chest measurements of 37 inches (93 cm) using the example pattern, you need a minimum of 1,006 yards (920 meters) of worsted weight #4 yarn. A total weight of 16.2 oz (450 g). Number of skeins is 9 skeins (each skein weighs 1.8 oz – 50 g).

Size XS Sweater Yarn Estimates
With Worsted Weight Yarn (#4)

Final Size (In)

37 inches

Final Size (Cm)

93 cm

Estimated Yardage

1,006 yards

Estimated Meterage

920 meters

Estimated Ounces

16.2 oz

Estimated Grams

450 g

Estimated Skeins

9 skeins

Size Small

To knit a sweater with finished chest measurements of 39 inches (100 cm) using the example pattern, you need a minimum of 1,095 yards (1,000 meters) of worsted weight #4 yarn. A total weight of 18 oz (500 g). Number of skeins is 10 skeins (each skein weighs 1.8 oz – 50 g).

Size S Sweater Yarn Estimates
With Worsted Weight Yarn (#4)

Final Size (In)

39 inches

Final Size (Cm)

100 cm

Estimated Yardage

1,095 yards

Estimated Meterage

1,000 meters

Estimated Ounces

18 oz

Estimated Grams

500 g

Estimated Skeins

10 skeins

Size Medium

To knit a sweater with finished chest measurements of 41 inches (105 cm) using the example pattern, you need a minimum of 1150 yards (1050 meters) of worsted weight #4 yarn. A total weight of 19.8 oz (550 g). Number of skeins is 11 skeins (each skein weighs 1.8 oz – 50 g).

Size M Sweater Yarn Estimates
With Worsted Weight Yarn (#4)

Final Size (In)

41 inches

Final Size (Cm)

105 cm

Estimated Yardage

1150 yards

Estimated Meterage

1050 meters

Estimated Ounces

19.8 oz

Estimated Grams

550 g

Estimated Skeins

11 skeins

Size Large

To knit a sweater with finished chest measurements of 44 inches (112 cm) using the example pattern, you need a minimum of 1315 yards (1200 meters) of worsted weight #4 yarn. A total weight of 21.6 oz (600 g). Number of skeins is 12 skeins (each skein weighs 1.8 oz – 50 g).

Size L Sweater Yarn Estimates
With Worsted Weight Yarn (#4)

Final Size (In)

44 inches

Final Size (Cm)

112 cm

Estimated Yardage

1315 yards

Estimated Meterage

1200 meters

Estimated Ounces

21.6 oz

Estimated Grams

600 g

Estimated Skeins

12 skeins

Size Extra Large

To knit a sweater with finished chest measurements of 48 inches (124 cm) using the example pattern, you need a minimum of 1480 yards (1350 meters) of worsted weight #4 yarn. A total weight of 25.2 oz (700 g). Number of skeins is 14 skeins (each skein weighs 1.8 oz – 50 g).

Size XL Sweater Yarn Estimates
With Worsted Weight Yarn (#4)

Final Size (In)

48 inches

Final Size (Cm)

124 cm

Estimated Yardage

1480 yards

Estimated Meterage

1350 meters

Estimated Ounces

25.2 oz

Estimated Grams

700 g

Estimated Skeins

14 skeins

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

To knit a sweater with finished chest measurements of 41″ (105 cm) using the example pattern, you need a minimum of 1150 yards (1050 meters) of worsted weight #4 yarn.

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

To knit a sweater with finished chest measurements of 41″ (105 cm) using the example pattern, you need a minimum of 11 skeins of worsted weight #4 yarn. (Each skein weighs 1.8 oz – 50 g).

How Many Balls Of Yarn Do I Need For A Sweater?

To knit a sweater with finished chest measurements of 41″ (105 cm) using the example pattern, you need a minimum of 11 balls of worsted weight #4 yarn. (Each skein weighs 1.8 oz – 50 g).

How Many Ounces Of Yarn For A Sweater?

To knit a sweater with finished chest measurements of 41″ (105 cm) using the example pattern, you need a minimum of 19.8 oz (550 g) of worsted weight #4 yarn. 

How Many Pounds Of Wool Do I Need To Knit A Sweater?

To knit a sweater with finished chest measurements of 41″ (105 cm) using the example pattern, you need a minimum of 1.2375 lb of worsted weight #4 yarn. 

How Much Wool Is Needed For A Sweater In Grams?

To knit a sweater with finished chest measurements of 41″ (105 cm) using the example pattern, you need a minimum of 550 g of worsted weight #4 yarn. 

How Much Yarn For A Sweater In Meters?

To knit a sweater with finished chest measurements of 41″ (105 cm) using the example pattern, you need a minimum of 1050 meters of worsted weight #4 yarn.

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How Much Yarn For A Sweater Pin

Conclusion

Now you know how much yarn you need to knit a sweater, it’s time to start your next project! Want more fun knitting content, resources and inspiration? Sign up to our email list below for exclusive goodies only for subscribers.

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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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