
How to:
TRANSLATE A U.P.C. TO A GTIN TO
AN SGTIN TO AN EPC
Universal Product Codes (U.P.C.) identify products at point-of-
sale. Although they contain a great deal of information, industry
is moving to supplement the barcode with EPC®-enabled RFID to
create increased eciency throughout the supply chain.
tHe BeNeFItS oF ePC:
The use of the Electronic Product Code™, or EPC, with RFID is an eective
bridge from today’s barcode-based systems to RFID without losing your current
investment in identification systems, transaction systems, or other information-
sharing techniques. EPC-enabled RFID presents a way for your company to extend
your current investment in the GS1 Standards to take advantage of the benefits of
RFID as a data capture technology, as you identify, capture and share information
within your business and with your trading partners.
Now, how do you create an EPC, or Electronic Product Code, to create
better eciency in your business? All you need is a U.P.C. and a copy of the
GS1/EPCglobal® Tag Data Standard to get started.
UNDeRStANDING YoUR 12-DIGIt U.P.C.
Your U.P.C. barcode is made up of a U.P.C. Company Prefix, an Item Reference
Number, and a Check Digit.
U.P.C. Company Prefix
This number can be found on your GS1 Company Prefix Certificate. It can
range from 6 to 10 digits in length.
Item Reference Number
Assigned by the owner of the U.P.C. Company Prefix. These are the numbers
that follow your U.P.C. Company Prefix.
Calculated Check Digit Reference
Calculation based on previous 11 digits to ensure global uniqueness.
The Check Digit is always the last number.
Look at your product to find your 12-digit U.P.C. barcode number. Make sure
you have your GS1 Company Prefix Certificate, the latest version of the
GS1/EPCglobal Tag Data Standard (found at http://www.gs1.org/gsmp/kc/
epcglobal/tds), and a pen or pencil to get started.
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THE GLOBAL LANGUAGE
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