Drill Bit Sizing
How to Calculate the Size of a Drill Bit Easily and Accurately

Learn how to calculate the size of a drill bit using a caliper or drill bit gauge for precise measurements.

Drill Bit Sizing
How to Size Drill Bits for Accurate Hole Drilling

Learn how to size drill bits correctly by measuring their diameters and matching them to screws or bolts using a drill gauge or caliper.