Bead size vs hook size

Here is a rough guide of which crochet hook and thread to use with various bead size.

Bead size Hook size Thread size
Perle cotton Silk Other
12/0 #13 (0.85mm)
#12 (1.00mm)
#12 D - FF Topstitching thread
11/0 #12 (1.00mm)
#11 (1.10mm)
#10 (1.30mm)
#10, #12 D - FF #20 crochet weight cotton
Topstitching thread
YLI Jean Stitch
10/0 #11 (1.10mm)
#10 (1.3mm)
#8 (1.5mm)
#10, #12 E - FF Topstitching thread
YLI Jean Stitch
8/0 #11 (1.10mm)
#10 (1.3mm)
#8, #10 E - FF #18 Mastic cord
Topstitching thread
YLI Jean Stitch
C-Lon Cord
6/0 #8 (1.5mm)
#6 (1.8mm)
#5, #8 F - FFF Rayon
YLI Jean Stitch

Poor man’s bead spinner

Lately, I’m crazy about bead crochet and started digging more information about it. One of pre-requisite of bead crocheting is to have all the seed beads strung on the thread. Yes, all hundreds or thousands of those tiny round thingies and I really don’t enjoy doing it. Some people say it’s relaxing and therapeutic but it’s just driving me nuts.
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Crochet hook size

US Size Metric Size
00 3.50 mm
0 3.25 mm
1 2.75 mm
2 2.25 mm
3 2.10 mm
4 2.00 mm
5 1.90 mm
6 1.80 mm
7 1.65 mm
8 1.50 mm
9 1.40 mm
10 1.30 mm
11 1.10 mm
12 1.00 mm
13 0.85 mm
14 0.75 mm
15 0.50 mm
16 0.40 mm