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!

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?
- What Is The Average, Best, Common Size Of A Lap Blanket?
- How Much Worsted Weight Yarn For A Knit Lap Blanket?
- How Many Yards Of Yarn For A Lap Blanket?
- How Many Skeins Of Yarn For A Lap Blanket?
- How Many Balls Of Yarn For A Lap Blanket?
- How Many Ounces Of Yarn For A Lap Blanket?
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?