Inch-to-Metric Size Lookup
Search the full 848-row chart from Learn to Visualize It — type a decimal size, a screw or drill designation, a gauge, or a nail size, and see everything that lines up at that dimension across machining tolerances, wire/sheet gauge, gun bore, nails, wood/sheet metal/cap screws, drill sizes (fractional, number, and letter), and the ISO metric equivalents.
Type to search the full chart (848 rows).
| Inches | mm | Range | Tolerance | Wire Gauge | Sheet Steel Gauge | Gun Bore (US) | Common Nail | Wood Screw | Sheet Metal Screw | Cap Screw | Drill Size | ISO Metric Drill | Metric Cap Screw | Metric Gun Bore | Section |
|---|