How Much Yarn Do I Need To Knit A Lap Blanket? (Answers for 1 Size)

By Jodie Morgan

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Our included yarn calculation tables give you the quick answers to the question – How much yarn do I need to knit a lap blanket. No running out of yarn!

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Note: This is a rough estimate, and it varies depending on so many factors like yarn weight, tension, the knit stitch pattern, the knitting needles size and blanket size.

If you do ribbing, cabling, pattern stitches like lace knitting or colorwork knitting techniques, add 10% more yarn to the yardage estimates outlined below.

I reviewed, fact checked and updated this post on May 13, 2023.

Table Of Contents

How Much Yarn Do I Need To Knit A Lap Blanket?

To knit a Lap blanket measuring 28 x 36 inches (71.1 x 91.4 cms) – (using the example pattern) you will need a minimum of 860 yards (786 meters) of medium weight #4 worsted weight yarn, total weight of 14 oz (400 g) – Number of skeins is 4 skeins (each skein weighs 3.5 oz/100g).

What Is The Average, Best, Common Size Of A Lap Blanket?

The average size of a Lap blanket is 28 x 36 inches (71.1 x 91.4 cms).

How Much Worsted Weight Yarn For A Knit Throw Blanket?

Here’s my handy guide to one size Lap Blanket and yards of yarn required when knitting garter stitch (using the example pattern) with a medium weight #4 (worsted) yarn.

Lap Blanket Yarn Estimates
With Medium Weight Yarn (#4)

Final Size (In)

28 x 36 inches

Final Size (Cms)

71.1 x 91.4 cms

Estimated Yardage

860 yards

Estimated Meterage

786 meters

Estimated Ounces

14 oz

Estimated Grams

400 gms

Estimated Skeins

4 skeins

How Many Yards Of Yarn For A Lap Blanket?

To knit a Lap blanket measuring 28 x 36 inches (71.1 x 91.4 cms) – (using the example pattern) you will need a minimum of 860 yards (786 meters) of medium weight #4 worsted weight yarn.

How Many Skeins Of Yarn For A Lap Blanket?

To knit a Lap blanket measuring 28 x 36 inches (71.1 x 91.4 cms) – (using the example pattern) you will need a minimum of 4 skeins (each skein weighs 3.5oz/100g) of medium weight #4 worsted weight yarn.

How Many Balls Of Yarn Do I Need For A Lap Blanket?

To knit a Throw blanket measuring 28 x 36 inches (71.1 x 91.4 cms) – (using the example pattern) you will need a minimum of 4 balls (each ball weighs 3.5 oz/100g) of medium weight #4 worsted weight yarn.

How Many Ounces Of Yarn For A Lap Blanket?

To knit a Lap blanket measuring 28 x 36 inches (71.1 x 91.4 cms) – (using the example pattern) you will need a minimum of 14 ounces/400g of medium weight #4 worsted weight yarn.

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Conclusion

Hope you found these tips helpful. Now you know how much yarn you’ll need, it’s time to start your next project! Want to know which fiber to use? See this post.

This post is part of my series explaining how much yarn for different-sized blankets. Next up is how much yarn for a throw blanket?

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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