AutographPP

Box Sizing Calculator

Custom archival enclosures must provide adequate clearance to prevent edge crushing, while remaining snug enough to prevent shifting. Use this tool to calculate precise dimensions for custom acid-free clamshell boxes.

JavaScript required. Manual calculation:

Add exactly 0.25 inches to document width and height for interior box dimensions. Add document thickness + 0.125 inches for depth.

Document Width (in)

Document Height (in)

Thickness (in)

Required Interior Dimensions

Interior Width

Interior Height

Interior Depth

Note: Order custom boards utilizing 0.060" or 0.080" acid-free, buffered core.