<p>Not a <em>huge</em> difference, but certainly a <em>noticable</em> difference.</p>
<p>The size difference between a 3 and 3,5 hook is just half a millimeter. The size difference in the stitches you make with both hooks may be even smaller than that, but I think it's unlikely that you manage to make your stitches exactly the same size.</p>
<p>So let's assume each stitch gets only 0.1 mm smaller after switching to a smaller hook. If you crochet 50 stitches over the width of your afghan, you lose 5 cm (2 inches) in width. If you crochet 100 stitches over the entire width, you lose 10 cm (4 inches).</p>
<p>Of course you can compensate by deliberately making your stitches bigger. But I still think that you will get a visible line at the part where you switched hook size because your tension will change in that area.</p>

CC BY-SA 4.0
2024-03-30T09:38:32.597Z
To substitute and keep the stitch size the same you need to be a very experienced crocherer and all of those I know do have plenty of hooks in the popular sizes. My lifehack answer would be to ask around, especially older females might have a spare.
Willeke
CC BY-SA 4.0
2024-04-25T09:57:55.893Z
Crochet hooks are very cheap, so getting a replacement shouldn't be an issue.
Stuart F
CC BY-SA 4.0
2024-03-30T08:09:52.100Z
2024-03-30T08:09:52.100Z
Elmy
<p>I lost my crochet hook . Size 3.5 mm . If I switch to a size 3mm will it make a huge different in my afghan ?</p>

<crocheting><crochet-hooks>
Crochet hook size switch mid project
Emily Smith
# Crochet hook size switch mid project

(Asked by: username_0 on 2024-03-30)

I lost my crochet hook . Size 3.5 mm . If I switch to a size 3mm will it make a huge different in my afghan ?

**Tags:** crocheting, crochet-hooks


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## 1 answers

### Answer by username_1 on 2024-03-30. Score: 4

Not a *huge* difference, but certainly a *noticable* difference.

The size difference between a 3 and 3,5 hook is just half a millimeter. The size difference in the stitches you make with both hooks may be even smaller than that, but I think it's unlikely that you manage to make your stitches exactly the same size.

So let's assume each stitch gets only 0.1 mm smaller after switching to a smaller hook. If you crochet 50 stitches over the width of your afghan, you lose 5 cm (2 inches) in width. If you crochet 100 stitches over the entire width, you lose 10 cm (4 inches).

Of course you can compensate by deliberately making your stitches bigger. But I still think that you will get a visible line at the part where you switched hook size because your tension will change in that area.

> **Comments:**
> **username_2**: To substitute and keep the stitch size the same you need to be a very experienced crocherer and all of those I know do have plenty of hooks in the popular sizes. My lifehack answer would be to ask around, especially older females might have a spare.  
> **username_3**: Crochet hooks are very cheap, so getting a replacement shouldn't be an issue.  

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