Material & Weight
Gauge to Thickness Converter
Convert sheet metal gauge numbers to actual thickness in mm and inches. Different gauge standards exist for different materials.
- Gauge to mm: Convert gauge number to metric thickness.
- Gauge to inches: Convert gauge number to imperial thickness.
- Steel Standard: Uses standard steel gauge table.
- Range: Supports gauges 8-30.
Gauge to Thickness Converter
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Theory & Formulas
Sheet Metal Gauge Table (Steel):
| Gauge | mm | inches |
|-------|------|--------|
| 10 | 3.416 | 0.1345 |
| 12 | 2.657 | 0.1046 |
| 14 | 1.984 | 0.0781 |
| 16 | 1.519 | 0.0598 |
| 18 | 1.214 | 0.0478 |
| 20 | 0.912 | 0.0359 |
| 22 | 0.759 | 0.0299 |
| 24 | 0.607 | 0.0239 |
*Note: Gauge numbers differ for steel, aluminum, and stainless steel*
| Gauge | mm | inches |
|-------|------|--------|
| 10 | 3.416 | 0.1345 |
| 12 | 2.657 | 0.1046 |
| 14 | 1.984 | 0.0781 |
| 16 | 1.519 | 0.0598 |
| 18 | 1.214 | 0.0478 |
| 20 | 0.912 | 0.0359 |
| 22 | 0.759 | 0.0299 |
| 24 | 0.607 | 0.0239 |
*Note: Gauge numbers differ for steel, aluminum, and stainless steel*