Paint Brush Size Converter

Brush numbers vary between manufacturers. Measure the physical width or diameter instead and compare it with common commercial widths.

Measured brush width / diameterUnit

Nearest common width38.1 mm

Inches1.5 in

Brush numbers are not standardized across manufacturers. Calcori compares the physical measurement with common commercial widths.

METHOD

How it works

Measured brush width is converted between millimetres and inches and matched to the nearest common commercial width.

Note

Reference values for sizing. Manufacturer ranges, tolerances and standard variants can differ; verify the product datasheet before ordering.