Are you looking to crochet a blanketbut don't know how much yarn to buy? Don't worry, you are not alone.Many people face the same dilemma and it's easier than you mightthink to figure out just how much yarn is needed for a project likethis.

In this article, we will discuss thesteps necessary to determine how much yarn is needed to crochet ablanket, and provide a chart of the common crochet blanket sizes.

How to Find the Right Crochet Blanket Size

Mary Maxim Kits specify the type andamount of yarn needed for the desired size of crochet blanket andinclude all the yarn needed to complete the project plus 10-20%overage. Mary Maxim afghan and blanket kits in general measure about40x60 inches and are wonderfully sized for most home decor. If you'dlike to make adjustments and make a larger sized throw just give us acall we are always available to help calculate your yardage.

If you are deviating from a pattern orhaven't achieved gauge you'll find that you use either more or lessyarn on your project and it won't look exactly as pictured. If youchoose to use a different pattern or up your own design, you can usesome simple calculations to determine how much yarn you will need.

Take a look at the chart below forcommon blanket sizes. Keep in mind these sizes are estimates andfinished afghan sizes will vary slightly from project to project.  


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What Size to Choose For Your Crochet Baby Blanket?

When it comes to crochet baby blankets,size matters. A blanket that is too large will be hard for a smallbaby to use and wrap up in, while a blanket that is too small won’tkeep them warm enough.

Generally speaking, the most popularsizes for crochet baby blankets range from 36 inches by 36 inches to41 inches by 52 inches. These sizes should provide adequate coveragewhile still being easy to manage for a newborn or infant.

When making a crochet baby blanket,it’s important to consider the stitch pattern you are using aswell. Some stitches use more yarn than others and may require alarger size blanket to accommodate them.

For example, if you decide to use anintricate stitch pattern such as a granny square or chevron, you mayneed to go up in size to make sure the design can fit on the blanket.Additionally, take into consideration any extra embellishments likebuttons or tassels that could affect the finished measurements.

Most Common Crochet Blanket Sizes

Crochet blankets come in a range ofsizes and shapes, but there are some common sizes that you will findamong the most popular crochet blanket patterns. Here is a chart foryour reference:  

Calculating How Much Yarn You Need

Knowing how much yarn you need for acrochet blanket can be tricky. It depends on the size of yourblanket, the type of stitch used, and if you are using novelty orspecialty yarns. To get a better estimate, try considering thesefactors:


The size of your blanket is a bigfactor in determining the amount of yarn you need. To calculate this,measure the width and length of your blanket in inches or centimetersto determine the total size in square footage. You'll need tocompare this to the yardage on a gauge swatch to estimate the yardageneeded.

Type of Stitch

Different stitches require differentamounts of yarn for the same size of blanket, so it’s important tothink about which type of stitch you are using. We call stitchcombinations like the Alpine Stitch “yarn eaters” because theyuse a lot of yarn to cover the same space, in contrast a stitchcombinations with a lot of open work like the “granny stitch”will use less yarn. These should be considered when choosing blanketpatterns to make. Additionally, you will likely want to use a closedstitch on blankets for comfort and will likely use more yarn becauseof it.

If your blanket uses more than onestitch type make a gauge swatch of each stitch combination andcalculate that against the total size of that section in yourblanket, then add the sections together when estimating yardage.

Specialty or Novelty Yarns

If you are looking to make a uniqueblanket with specialty or novelty yarns, the amount of yarn neededcan vary significantly. Make sure to use the same type of yarn youare planning on using in your project to make the gauge swatch. Youcan always frog the swatch and use it for the blanket.  

Calculating Yardage for a blanket

To calculate the yardage for theblanket find out how many square feet your total blanket will equal.Then, work up a gauge swatch. You'll want this gauge swatch tomeasure approximately 12 inches by 12 inches so it might take a fewtries to get the right amount of stitches. This is also a great timeto figure out how many stitches you'll need in the beginning row ofyour afghan.

Next measure how many yards were inthat swatch. You can use a yard wrap, measure with a measuringstick, or some crafters calculate yardage by weight. Now multiplythat number by the estimated square footage in your blanket. Lastly,multiply that number by 1.20 to allow for 20% overage. That is aboutthe amount of yarn you'll need to make your blanket, not including aborder.

By considering these factors, you canget an accurate estimate of the amount of yarn needed for yourcrochet blanket. When in doubt, it’s always best to err on the sideof caution and purchase a little more yarn than your calculationssuggest. This will ensure you have enough to complete your projectwithout running out.

To estimate the approximate amount ofyarn needed for the whole project, next make a gauge swatch using thestitch combination you would like to use for your blanket. If youchoose to use a few different stitches you'll need to duplicate thesame process for each section and instead of measuring the total sizeof the blanket you'll need to measure each coordinating section.

Now that you have determined the sizeand yardage you'll need to crochet a basic baby blanket, let's talkabout adjusting an already existing pattern.

Adjusting the Size of a Crochet Blanket Pattern

The pattern you’re following for yourcrochet blanket may have been made for a different size than youintended. Luckily, you can adjust the pattern — it just requires alittle computation.

To adjust the pattern accordingly, youmust use a stitch multiple. This is the common number of stitchesbetween increases and decreases in your crochet pattern. Let's make afun chunky blanket for example, if you are making a 36-inch wideblanket, and the stitch multiple for your pattern is 8 stitches, thenyou'll need to determine how many stitches measure in a commonnumber. If 8 stitches is equal to 4 inches then the 36-inch blankethas about 9 repeat of 8 sts in the finished size.  

8 sts = 4 inches

36 inches ÷4 inches = 9 repeats

Once you calculate the number ofstitches to use, you can adjust the pattern accordingly. Let's makethis blanket 48-inches wide instead.

48 inches ÷4 inches = 12 repeats

8 sts =1 repeat

12 x 8 =96 sts. 

You may also need to adjust the numberof rows depending on the size of your blanket. This can be done bydividing the height of your blanket by the row gauge of the pattern,which is usually given in stitches per inch.

For example, if want to make a blanket60-inches in height and the row gauge for your pattern is 8 rows per4-inches, then you would need to work 120 rows. Take a look at themath below:

8 rows per 4 inches

60 inches ÷ 4 inches = 15 repeats

8 rows x 15 repeats = 120 total rows

When adjusting a crochet blanketpattern, keep in mind that the size of your finished project maydiffer from what is specified in the pattern due to variations intension. To get the most accurate size, refer to the gauge in thepattern and measure gauge periodically while working your project.  

Do You Need Blanket Borders?

Blanket borders add an extra layer ofprotection against wear and tear, as well as provide decorativeframing around your finished piece.

When deciding how wide you want yourborder to be, there are several factors to take into consideration.One is the thickness of your yarn, as thicker yarns will require awider border to prevent curling or bunching at the edges.

Additionally, if your blanket patternhas any intricate stitchwork, such as shells or popcorn stitches, youmay want to create a wide enough border to ensure that the texturecan be easily seen and enjoyed.

In addition to the size of your border,you will also want to consider what type of stitch or technique youwant to use for it. Popular options include single crochet,half-double crochet, double crochet, and triple crochet. You can alsotry other stitches such as extended single and double crochets,bobbles, popcorn stitches, shells, and even reverse single crochet.

Free Crochet Blanket Patterns

Now that you knowhow to calculate the amount of yarn you need to finish a crochetblanket, you’re ready to endeavor your very own project. Here aresome blanket patterns to help you get started:  

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Free Blanket of Blooms Pattern
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Free EZ Ripple Blanket Pattern
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Free Pathways Baby Blanket Pattern