Reference Tool

Metal Gauge Guide

Quick reference for gauge numbers, mm thickness, and inches across different metals. Includes minimum bend radius and common applications.

Gauge	mm	Inches	Min Bend Radius	Application
7	4.572	0.1800	6.86 mm	Heavy structural: beams, brackets, base plates, industrial equipment
8	4.191	0.1650	6.29 mm	Heavy structural: beams, brackets, base plates, industrial equipment
9	3.810	0.1500	5.71 mm	Heavy structural: beams, brackets, base plates, industrial equipment
10	3.429	0.1350	5.14 mm	Heavy structural: beams, brackets, base plates, industrial equipment
11	3.048	0.1200	4.57 mm	Standard structural: panels, enclosures, machine guards, furniture frames
12	2.667	0.1050	4.00 mm	Standard structural: panels, enclosures, machine guards, furniture frames
13	2.286	0.0900	3.43 mm	Standard structural: panels, enclosures, machine guards, furniture frames
14	1.905	0.0750	2.86 mm	Standard structural: panels, enclosures, machine guards, furniture frames
15	1.714	0.0675	2.57 mm	Medium duty: wall cladding, cabinet bodies, HVAC ducting, signage
16	1.524	0.0600	2.29 mm	Medium duty: wall cladding, cabinet bodies, HVAC ducting, signage
17	1.372	0.0540	2.06 mm	Medium duty: wall cladding, cabinet bodies, HVAC ducting, signage
18	1.219	0.0480	1.83 mm	Medium duty: wall cladding, cabinet bodies, HVAC ducting, signage
19	1.067	0.0420	1.60 mm	Light duty: decorative panels, ceiling tiles, light fixtures, trim
20	0.914	0.0360	1.37 mm	Light duty: decorative panels, ceiling tiles, light fixtures, trim
21	0.838	0.0330	1.26 mm	Light duty: decorative panels, ceiling tiles, light fixtures, trim
22	0.762	0.0300	1.14 mm	Light duty: decorative panels, ceiling tiles, light fixtures, trim
23	0.686	0.0270	1.03 mm	Fine work: decorative mesh, perforated sheets, etching, jewelry
24	0.610	0.0240	0.92 mm	Fine work: decorative mesh, perforated sheets, etching, jewelry
25	0.533	0.0210	0.80 mm	Fine work: decorative mesh, perforated sheets, etching, jewelry
26	0.457	0.0180	0.69 mm	Fine work: decorative mesh, perforated sheets, etching, jewelry
27	0.419	0.0165	0.63 mm	Ultra-thin: foil, shim stock, membrane, specialty applications
28	0.381	0.0150	0.57 mm	Ultra-thin: foil, shim stock, membrane, specialty applications
29	0.343	0.0135	0.51 mm	Ultra-thin: foil, shim stock, membrane, specialty applications
30	0.305	0.0120	0.46 mm	Ultra-thin: foil, shim stock, membrane, specialty applications