Finding the Right Crochet Hook: Size

The two basic things you need in crochet are obviously yarn and a hook to work your loops with. Once you have chosen your yarn, have a look at the yarn label.
Here it will specify which hook sizes are recommended for that specific yarn. Sometimes you see knitting needles instead of crochet hooks, but luckily the two match very closely.
crochet hook sizeSome labels may suggest a range of sizes instead of just one specific, which is because one type of thickness can be worked by several hook sizes.
This is also relevant in connection with your tension and measurement of gauge. You may crochet tighter or looser than the pattern designer, which you can be levelled by going up or down a hook size.
When you are a new crocheter you may just want to focus on learning the craft. I recommend finding a basic crochet hook in the right size. Once you are more experienced you may want to explore different designs to find the ONE that is just right for you.

Metric vs. US

The size of a crochet hook is either measured by numbers and letters (US) or in millimetres (metric). The hooks are classified by the circumference of the shaft. This is also where the loop rests and will determine the size of your stitch. Crochet hook A thicker shaft means a larger, looser crochet stitch, whereas a thinner shaft will yield smaller, tighter stitches. I have listed the crochet hook sizes in both metric and US. I have not included all the metric sizes as this chart is for finding the equivalent hook size.

Crochet hook sizes

MetricUS
0,50mm
18
0,75mm
14
1,00mm
12
1,25mm
10
1,50mm
8
1,75mm
6
2,00mm
4
2,25mm
B-1
2,75mm
C-2
3,25mm
D-3
3,50mm
E-4
3,75mm
F-5
4,00mm
G-6
4,50mm
7
5,00mm
H-8
5,50mm
I-9
6,00mm
J-10
6,50mm
K-10,5
8,00mm
L-11
9,00mm
M/N-13
10,00mm
N/P-15
12,00mm
P-16
15,00mm
P/Q
16,00mm
Q
19,00mm
S
25,00mm-

Have you already found your favourite hook? Try it out with some stitches from my Stitch Library or my patterns available on Etsy.

Let me know your thoughts about this post,

Camilla

Homemade & Heartmade

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Ravens crochet

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Ravens crochet

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Be amongst the first to learn about special offers and fun stuff about crochet happening here!

Thank you so much for following - I look forward to sharing my crocheting adventures with you. Please use this code SIGNUP10 to receive your discount in my Etsy Shop.