Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions

A fast, shop-ready drill bit size reference and conversion tool for machinists, woodworkers, makers, and DIYers. Instantly look up US Number, Letter, and Fraction sizes with precise decimal inch and metric equivalents to speed up layout, drilling, and tool selection. Clear tables, instant cross-references, and quick search help you find the right size in seconds, even offline. Key features: - Complete US Number, Letter, and Fraction inch tables with decimal inch and millimeter equivalents - Instant cross-reference between systems for accurate size matching - Fast search and offline access for on-site and shop use Ideal for: metalworking, woodworking, fabrication, maintenance, and any task that needs accurate drill bit size charts and metric conversion.