The following charts will help you better understand just how big that hole in your body is going to be. It will also give you the information that you will need should you want to stretch your piercing to a larger gauge in the future.



Actual
Gauge
(absolute)		 Body
Jewelry
Gauge		 Body
Jewelry
mm		 Body
Jewelry
inches		 Closest
Knitting
Needles
8X0 8X0 15.88 5/8" 15mm
7X0 7X0 12.70 1/2" 13mm
6X0 --- 11.88 --- 12mm
5X0 --- 11.11 --- 11mm
4X0 000 10.32 13/32" 10mm
000 00 9.525 3/8" 9mm
00 --- --- --- ---
0 0 7.938 5/16" 8mm
1 1 7.142 9/32" 7mm
2 --- --- --- ---
3 2 6.350 1/4" 6mm
4 --- --- --- ---
5 3 5.558 7/32" 5.5mm
6 --- --- --- ---
7 4 4.762 3/16" 4.75mm
8 5 4.366 11/64" 4.25mm
9 6 3.968 5/32" 3.75mm
10 7 3.572 9/64" 3.75mm
11 8 3.175 1/8" 3.25mm
12 10 2.780 7/64" 2.75mm
13 12 2.382 3/32" 2.25mm
14 13 1.983 5/64" 1.75mm
15 --- --- --- ---
16 14 1.588 1/16" 1.5mm
17 --- --- --- ---
18 16 1.192 3/64" 1mm
19 18 0.792 1/32" ---
20 20 .0396 1/64" ---