Is there a standard size label for bar coding?
There is no standard size label. [Reference: DLA HQ Guidance] • Is there a standard length for the bar code? The physical length of a Code 39 symbol, including quiet zones, is given in ISO/IEC 16388. Refer to ISO/IEC 16388 for details. NOTE: We cannot post this information to our web site, since it is copyright information. Therefore, you will need to purchase copy of this document to comply with the contractual requirements for bar coding. [Reference: ISO/IEC 16388] • What is height of a Code 39 bar code? For general application the minimum bar height of Code 39 symbols should be 0.2 inch (5mm) or 15 percent of the symbol length, whichever is greater.