Inches Florist Size Millimeters
1/16 0.4 2
1/8 0.7 3
3/16 1 5
1/4 1 6
3/8 1.5 10
1/2 2 13
5/8 3 16
3/4 5 19
7/8 5 22
1 5 25
5 32
9 38
2 16 50
16 56
40 63
3 40 76
80 89
4 100 102
120 114
5 120 127
6 250 152
8 530 203
9 400 229
10 400 254
12 500 305
18 750 457
24 999 609