How are crochet hooks numbered?

How do you tell what size a crochet hook is?

One simple way you can do this is by using a needle gauge. Just slide the shaft of the hook (photo below) in the hole of the needle gauge, and it will tell you what size it is.

What is a size 7 crochet hook?

The letter designations you may see on crochet hooks (D, E, F, H, etc) are only used in the United States. … The most accurate way of designating hook size is using millimeters. So an H hook is 5.0 mm and a G hook is 4.0 mm and a 7 hook is 4.5 mm.

What is a size 6 crochet hook?

A G/6 is a 4.00 mm size crochet hook most commonly but can be a 4.25 mm such as with the brand Boye.

What are all the crochet hook sizes?

Crochet Hook Sizing Guide

  • B/1 (2.25 mm)
  • C/2 (2.75 mm)
  • D/3 (3.25 mm)
  • E/4 (3.5 mm)
  • F/5 (3.75 mm)
  • G/6 (4 mm)
  • H/8 (5 mm)
  • I/9 (5.5 mm)

Why are crochet hooks different sizes?

Finding the right size for a crochet hook is important because it determines the gauge of your crochet. Smaller hooks make finer and tighter crochet, while larger hooks produce a bulkier, more open weave.

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What size crochet hook Do I need to make a blanket?

It can be overwhelming to select what size crochet hook to use for blankets, but US H-8 would be the best choice, especially for beginners. This means that the hook size is 5mm, ideal for worsted weight yarn. This yarn weight will also be comfortable for crocheting most blankets.

What happens if I use a bigger crochet hook?

If you are using the same pattern (same number of stitches and rows/rounds), a larger crochet hook will use up more yarn. If you are going for the same size of project (say a 36 by 36 inch blanket), a larger crochet hook will use up less yarn.

What letter size is an 8 mm crochet hook?

Standard knitting needle and crochet hook sizes

Metric diameter US Knitting Needle Number Corresponding Crochet Hook Size
8 mm 11 L-11
9 mm 13 M/N-13
10 mm 15 N/P-15
12.75 mm 17