STAINLESS STEEL · SHEET GAUGE
Stainless Steel Gauge Chart
Nominal thickness of stainless steel sheet from 8 to 30 gauge in inches and millimeters, with weight per square foot calculated for 304 stainless.
QUICK LOOKUP
How thick is 16 gauge?
- Inches
- 0.0625
- Millimeters
- 1.587
- lb/ft²
- 2.578
- kg/m²
- 12.59
FULL CHART
Stainless Steel Gauge Chart
| Gauge | Inches | mm | lb/ft² | kg/m² |
|---|---|---|---|---|
| 8 ga | 0.17187 | 4.365 | 7.090 | 34.62 |
| 9 ga | 0.15625 | 3.969 | 6.446 | 31.47 |
| 10 ga | 0.14062 | 3.572 | 5.801 | 28.32 |
| 11 ga | 0.125 | 3.175 | 5.157 | 25.18 |
| 12 ga | 0.10937 | 2.778 | 4.512 | 22.03 |
| 14 ga | 0.07812 | 1.984 | 3.223 | 15.74 |
| 16 ga | 0.0625 | 1.587 | 2.578 | 12.59 |
| 18 ga | 0.050 | 1.270 | 2.063 | 10.07 |
| 20 ga | 0.0375 | 0.952 | 1.547 | 7.55 |
| 22 ga | 0.03125 | 0.794 | 1.289 | 6.29 |
| 24 ga | 0.025 | 0.635 | 1.031 | 5.04 |
| 26 ga | 0.01875 | 0.476 | 0.774 | 3.78 |
| 28 ga | 0.01562 | 0.397 | 0.644 | 3.15 |
| 30 ga | 0.0125 | 0.318 | 0.516 | 2.52 |
Thickness: published US supplier values from Metal Supermarkets, inch values kept as listed. Millimeters = inches × 25.4. Weight is calculated from 304 stainless, 7.93 g/cm³ (0.2865 lb/in³).
READ THE CHART
Gauge is a table entry.
Stainless sheet uses its own gauge series. At the same gauge number it is usually slightly thicker than mild steel — 16 ga stainless is listed at 0.0625 in, mild steel at 0.0598 in — so do not swap materials without re-checking the thickness.
304 and 316 are sold to the same nominal thicknesses. 316 is about 1% denser than 304, so its real weight runs slightly above the column below. Stainless also springs back more than mild steel and usually needs a different K-factor or bend deduction.
Need a different unit or material? Convert gauge to mm for every material or compare all four gauge charts side by side.
Common stainless steel gauge thicknesses
How thick is 10 gauge stainless steel?
10 gauge stainless steel is listed at 0.14062 in (3.572 mm) nominal thickness, about 5.80 lb per square foot.
How thick is 12 gauge stainless steel?
12 gauge stainless steel is listed at 0.10937 in (2.778 mm) nominal thickness, about 4.51 lb per square foot.
How thick is 14 gauge stainless steel?
14 gauge stainless steel is listed at 0.07812 in (1.984 mm) nominal thickness, about 3.22 lb per square foot.
How thick is 16 gauge stainless steel?
16 gauge stainless steel is listed at 0.0625 in (1.587 mm) nominal thickness, about 2.58 lb per square foot.
How thick is 18 gauge stainless steel?
18 gauge stainless steel is listed at 0.050 in (1.270 mm) nominal thickness, about 2.06 lb per square foot.
How thick is 20 gauge stainless steel?
20 gauge stainless steel is listed at 0.0375 in (0.952 mm) nominal thickness, about 1.55 lb per square foot.
How thick is 22 gauge stainless steel?
22 gauge stainless steel is listed at 0.03125 in (0.794 mm) nominal thickness, about 1.29 lb per square foot.
How thick is 24 gauge stainless steel?
24 gauge stainless steel is listed at 0.025 in (0.635 mm) nominal thickness, about 1.03 lb per square foot.