I just came across this conversion chart..I'm always wondering how many beads to purchase in order to make a certain length necklace.
inch = 25.4mm
Size in mm Closest equivalent in Inches
1mm just over 1/32 of an inch
2mm just over 1/16 of an inch
3mm 1/8 of an inch
4mm 5/32 of an inch
5mm 3/16 of an inch
6mm 1/4 of an inch
7mm 9/32 of an inch
8mm 5/16 of an inch
9mm 11/32 of an inch
10mm 3/8 of an inch
11mm 7/16 of an inch
12mm 15/32 of an inch
13mm 1/2 of an inch
14mm 9/16 of an inch
15mm 19/32 of an inch
16mm 10/16 of an inch
17mm 11/16 of an inch
18mm 23/32 of an inch
19mm 3/4 of an inch
20mm 13/16 of an inch
