Drill bits, bolts, wire gauge, paper, and lumber — all standard US sizes in both millimeters and inches.
| Size | Decimal (in) | Millimeters |
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| Size | Decimal (in) | Millimeters |
|---|
| US Size | Threads/inch | Major Ø (in) | Major Ø (mm) | Drill Size | Head Ø (in) | Type |
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| AWG | Diameter (mm) | Diameter (in) | Area (mm²) | Resistance (Ω/km) | Common Use |
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| Name | Inches | Millimeters |
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| Name | Millimeters | Inches |
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| Nominal Size | Actual (in) | Actual (mm) | Common Use |
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