How to identify the product (GTIN)

• The 9-digit company prefix issued by GS1 Finland Oy comes as first
• The next 3 numbers you can decide for yourself
• The last, i.e., 13th digit is a check digit calculated from the first 12 digits by a check digit calculator

Example

9-digit company prefix + optional own 3 digits 3 digits + verification number

64YYYYYYY + AAA + T

YYYYYYY = company prefix
AAA = own numbers
T = verification number

• The 7-digit company prefix issued by GS1 Finland Oy comes as first
• The next 5 numbers you can decide for yourself
• The last, i.e., 13th digit is a check digit calculated from the first 12 digits by a check digit calculator

Example

7-digit company prefix + optional own 5 digits + verification number

64YYYYY + AAAAA + T

YYYYY = company prefix
AAAAA = own numbers
T = verification number

• The first is a series of numbers corresponding to the weight
   23 -> products below 10 kg  
   24 -> products over 10 kg  
   25 -> products over 100 kg 
• After this, the company prefix issued by GS1 Finland Oy becomes the last four digits (640 omitted)
• The next two numbers can be decided by yourself
• Next are four numbers that indicate the weight of the product in kilograms (the symbol 23-25 ​​at the beginning determines the position of the comma in the weight)
• The last, i.e., 13th digit is a check digit calculated from the first 12 digits by a check digit calculator

Example

23 YYYY AA PPPP T -> products below 10 kg     for example. 1.155 kg
24 YYYY AA PPPP T -> products between 10-100 kg    for example 11.55 kg
25 YYYY AA PPPP T -> products over 100 kg    for example 115.5 kg

YYYY = company prefix
AA = own numbers
PPPP = weight of the product
T = verification number