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June 29, 2018, 2 comments

How much chunky yarn do I need for a throw?

Categories: Chunky Blankets and Scarfs, Chunky Crochet, Chunky Yarn, Popular

A question I get asked a lot is “how much chunky yarn do I need for a throw?” and I wish I could give a simple, and definitive, answer to this question!

There are lots of different factors involved, so I’m going to give you my expert guidance and some options that I use.


The simple (and not so accurate) answer

I allow 6 x 300g skeins of Homelea Bliss for a 1m x 1m crocheted throw rug, and 4 x 1kg balls of Homelea Hug for an arm crocheted 1m x 1m throw rug. 

Sometimes I use this as a guide, allow some extra, and just go with the flow and see what size throw I end up with. For example, if I wanted to knit a decent sized throw using Homelea Hug and 35mm needles (smaller stitches than arm crochet so more yarn needed)  I’d estimate that I’d need at least 10kg of yarn.



What influences how much yarn you’ll need

There are lots of different factors involved in how much yarn you’ll need – whether you’re crocheting or knitting, your tension, the stitch, the needle/hook size and even whether you’re feeling anxious or relaxed.


Homelea Bliss - soft and durable chunky yarn | Homelea Lass


The most accurate way to work out how much yarn you’ll need

The way I work out how much yarn I’ll need for a chunky throw is to do a gauge square and then use some simple maths. This is what to do:

1 – Make a square

Crochet/knit a square that’s at least 30cm (0.3m) x 30cm (0.3m). For the most accurate answer make sure you use the stitch and hook/needle size you want your throw to be made with.

2 – Weigh and measure

Weigh the square in kilograms (kg)  and measure it in metres (m).

3 – Square area

Calculate the area of the square by multiplying the length and width (both from 2 above).  For example – 0.3m x 0.3m = 0.09m2.

4 – Square weight / area

Calculate the weight per area of your square by dividing the weight (from 2 above) by the area (from 3 above). For example – 0.3kg / 0.09m2 = 3.3kg/m2.

5 – Throw size

Work out how big you want your throw to be – I allow 0.7m x 0.7m for a baby blanket, 1m x 1m for a throw and for my queen sized bed I allow 1.7m x 1.7m.

6 – Throw area

Calculate the area of my throw by multiplying the size lengths (from 5 above). For example for a throw = 1m x 1m = 1m2.

7 – How much yarn

Calculate the amount of yarn by multiplying the square weight/area (from 4 above) by the throw area (from 6 above). For example –  3.3kg/m2 x 1m2 = 3.3kg.

8 – Allow some extra

I always allow extra yarn because there’s nothing worse than being a little bit short and not being able to get more yarn in the same dye lot! I allow at least an extra 10% and I do this by multiplying the amount of yarn by 1.1 – for example 3.3kg x 1.1 = 3.6kg.

If you need to get this weight back to grams to use with Homelea Bliss simply multiply it by 1000. For example – 3.6kg x 1000 = 3600g.

There are 300g in each skein of Homelea Bliss, so to work out how many skeins divide your weight in g by 300. For example – 3600g / 300 = 12 skeins.


Blanket School - learn how to crochet a chunky blanket | Homelea Lass


I hope this helps you! If you’ve got any questions comment below and I’ll answer.

With love, Lynda.



2 responses to “How much chunky yarn do I need for a throw?”

  1. Maria says:

    Hi Lynda I have bought the wool and have been trying to find a pattern which has become difficult- as I have basic skills and just wondering if you could tell me the number of chains I’ll need to make a 1mx1m throw – I have 6 of your 300g Homelea Bliss wool and have noticed I can’t get a copy of your blanket pattern kind regards Maria

  2. Lynda Rennick says:

    Hi Maria,

    It’s lovely to hear from you 😊

    The number of stitches for a 1m x 1m throw will depend on the stitch, the size of your crochet hook and your crocheting tension. To find the exact number of stitches I recommend following the step by step instructions in this blog post. Otherwise, try 30 stitches and adjust from there.

    My chunky blanket crochet patterns are available through Blanket School and we will be taking more enrolments later during the year.

    With love, Lynda.

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