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February 11th, 2007 at 04:10 am

Crochet – Thread Size Information

One of the most commonly asked questions about Perle Cotton for use in Thread Crochet has to do with a size
“Cross-Reference”

Because Presencia threads are among my personal favorites I use them as the basis of my comparison/reference charts.

So many things can effect how a thread “measures” (Humidity, spinning, storage, how it is “put up”) that is next to Impossible – While not exact, since sizing differs between Perle & Crochet threads, the following is a “ROT-Rule Of Thumb”.

(added 2008)It is very important to know that there are DIFFERENT “standards” for Wool, Cotton, Linen & Silk. The chart below is specific to Cotton since that is the most common thread used by Crochets

Wheat’s US-Metric Steel Crochet Hook Reference*


Last Updated: 2008-12-10 © 2000-2008 WheatCarr

R
o
w
0
Col 1
Crochet
Cotton
Range
Col 2
Steel
MM
Col 3
Clover
Col 4
Clover
Soft Touch
Col 5
Pony
Col 6
Boye
Col 7
Bates
Col 8
Inox
Col 9
tulip
Skacel
R
o
w
1 - 0.40mm No 16 No 24 1
2 - 0.45mm No 23 2
3 80-100 0.50mm No 14 No 15 No 14 3
4 - 0.55mm No 13 4
5 70 – 80 0.60mm No 12 No 12 No 14 No 14 No 12 5
6 - 0.70mm No 13 No 11 6
7 50 – 80 0.75mm No 10 No 10 No 12 No 14 No 13 No 10 7
8 - 0.85mm no-name No 13 No 9 8
9 40 – 60 0.90mm No 8 No 8 no-name No 14 No 8 9
10 - 0.95mm No 13 No 7 10
11 20 – 30 1.00mm No 6 No 6 no-name No 12 No 12 No 12 No 6 11
12 - 1.05mm No 11 12
13 - 1.10mm No 11 No 5 13
14 - 1.15mm No 10 14
15 18 – 30 1.25mm No 4 No 4 No 8 No 9 No 10 No 4 15
16 - 1.30mm No 10 No 3 16
17 - 1.40mm No 9 No 8 17
18 10 – 20 1.50mm No 2 No 2 No 7 No 8 No 7 No 8 No 2 18
19 - 1.60mm No 6 No 1 19
20 - 1.65mm No 7 20
21 - 1.70mm No 5 21
22 8 – 18 1.75mm No 0 No 0 No 4 No 4 No 6 No 0 22
23 - 1.80mm No 6 23
24 - 1.90mm No 5 24
25 - 2.00mm A-0 No 4 2/0 25
26 - 2.20mm No 16 3/0 26
27 - 2.25mm 2/o 27
28 - 2.30mm B-1 B 28
29 - 2.50mm 3/o 4/0 29
R
o
w
0
Col 1
Crochet
Cotton
Range
Col 2
Steel
MM
Col 3
Clover
Col 4
Clover
Soft Touch
Col 5
Pony
Col 6
Boye
Col 7
Bates
Col 8
Inox
Col 9
tulip
Skacel
R
o
w
* Based on Data Current as of February 2007,
  updated to add photos on 2007-May-02
  updated to add Tulip on 2007-May-24
  updated to add on 2008-Sep-14

* Thread Hook Size Suggestions used courtesy of Clover® Needlecraft, Inc

* ALWAYS MAKE A GAUGE SWATCH
* ALWAYS check/measure the diameter of your hook
– Older Hooks often do NOT have the same Diameter as those made today.
-
* If you find an error, please do email me with the correction.

Average Yards per pound is how many yards of thread you would get on a one-pound cone.
If you have a large project, buying coned yarns can be very economical.

Most balls of crochet cotton seem to have about 400-450 yds

So using an old J&P Coats pattern which called for J&P COATS Size 20: (GREEN LABEL) 24 balls of White or Ecru. which, according to a Trademark infringement case:
” which is wound on spools of 200- yard lengths, “

This project calls about 4800 yards of Size 20 thread. If you selected some commonly available size 20 thread at the best price I could fine “on-line” you would need at least 12 balls at $3.27 – add in one ball to be sure you have enough, and the shipping so call it $45.

Now if you bought 2# of one of my favorite 10/2 Mercerized Cottons from WEBS

Even the Varigated is only $18.95 per pound
so for $40 you not only have plenty for project, you save at least $5 and have extra for “something else.
and you would save even more if your total order of discountables (did I mention I have not very often not qualified for at least the 20% discount

In case you haven’t guessed, WEBS is a long time (been a customer for more than 30 years) favorite place to shop.

In fact, I have been know to drive 150 miles (each way) OUT of the way to visit them

They have a famous back room. Think Wholesale club like Sam’s or Costco, but all yarn “buys” – the first time I went there, they gave me a stupid market size shopping cart and pushed me thru the door, “See you in a few hours – we’ll holler when its close to closing time” Mind you this was at 10am and yes, I was there to be hollered at (although we did leave for lunch and come back for round two)

HTH

Wheat

P.S. I promise to add the WPI as soon as I find where I put that piece of paper

If you have different information, please share, there is no such thing as too much information when it comes to the materials and tools we all love to use.

4
  • 1

    Wheat, You are terrible! Another Yarn buying place? I know I am in trouble now. I look forward to your updates on thread sizes.

    Lori Heiser on February 19th, 2007
  • 2

    Thanks so much, Wheat for the great info! I have been needing this information to convert some VERY old thread leaflets and now my search is over! Thanks again.

    jocelyn on February 20th, 2007
  • 3

    Thanks for the Presencia link. I sometimes tat with perle cotton. I’ve tatted with Finca threads before. It’s nice to always have more options for purchasing. :)

    TattingChic on August 15th, 2009
  • 4

    I am desperately trying to find a varigated crochet thread which appears to be a 2-ply, maybe size 8 which is a bit sturdy but not stiff. HELP. LEE

    lee bridges on July 15th, 2010

 

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