I assume that you are speaking about firearms in general and shotguns in particular. 24 guage is almost unknown in the United States and marginally popular in Europe. As usually configured it is .57 calibre English and 14.7mm metric. Once a popular small game load.
1 gauge
0.2893 inches
7.348 mm
1.27 mm (USG)
14 gauge is 1.98 mm (USG).
18g = 1.02 mm
12 gauge is thicker than 14 gauge.
120 mm Algebraic Steps / Dimensional Analysis Formula 12 cm*10 mm 1 cm=120 mm
35mm
0.05km equals 50,000mm (km x 1,000,000 = mm)
1/100th inch = 0.254 mm
Probably 19 gauge, which is 1.067 mm
18 cm equals 180 mm. 10 millimeters = 1 centimeter
.635 mm
18gauge is about 1.02mm.
1.024 mm
The closest would be 18 gauge which is 1.27 mm
18 gauge is thicker than 20 gauge. 18 gauge is 1.27 mm thick while 20 gauge is .953 mm thick.
1.27 mm
The nearest is 18 gauge, which is 1.02 mms
1.27 mm (USG)
18 or 20 gauge
A normal earring is 18 gauge. I'm not sure of the mm..