Sheet Metal Gauge Chart

Gauge thickness by material

Steel — Manufacturers' Standard Gauge

• 7 ga steel (0.1793 in)
• 8 ga steel (0.1644 in)
• 10 ga steel (0.1345 in)
• 11 ga steel (0.1196 in)
• 12 ga steel (0.1046 in)
• 14 ga steel (0.0747 in)
• 16 ga steel (0.0598 in)
• 18 ga steel (0.0478 in)
• 20 ga steel (0.0359 in)
• 22 ga steel (0.0299 in)
• 24 ga steel (0.0239 in)
• 26 ga steel (0.0179 in)
• 28 ga steel (0.0149 in)

Galvanized steel — galvanized sheet gauge

• 10 ga galvanized steel (0.1382 in)
• 12 ga galvanized steel (0.1084 in)
• 14 ga galvanized steel (0.0785 in)
• 16 ga galvanized steel (0.0635 in)
• 18 ga galvanized steel (0.0516 in)
• 20 ga galvanized steel (0.0396 in)
• 22 ga galvanized steel (0.0336 in)
• 24 ga galvanized steel (0.0276 in)
• 26 ga galvanized steel (0.0217 in)

Stainless steel — U.S. Standard Gauge (stainless sheet chart)

• 10 ga stainless steel (0.1406 in)
• 11 ga stainless steel (0.1250 in)
• 12 ga stainless steel (0.1094 in)
• 14 ga stainless steel (0.0781 in)
• 16 ga stainless steel (0.0625 in)
• 18 ga stainless steel (0.0500 in)
• 20 ga stainless steel (0.0375 in)
• 22 ga stainless steel (0.0312 in)
• 24 ga stainless steel (0.0250 in)

Aluminium — Brown & Sharpe (AWG) gauge

• 8 ga aluminium (0.1285 in)
• 10 ga aluminium (0.1019 in)
• 12 ga aluminium (0.0808 in)
• 14 ga aluminium (0.0641 in)
• 16 ga aluminium (0.0508 in)
• 18 ga aluminium (0.0403 in)
• 20 ga aluminium (0.0320 in)
• 22 ga aluminium (0.0253 in)
• 24 ga aluminium (0.0201 in)