Barcode Check Digit Calculator

Barcode Check Digit Calculator - Data Correctness Verification

Online barcode check digit calculation tool - supports GTIN-8/GTIN-12/GTIN-13/GTIN-14, SSCC-18, GLN and other GS1 standard codes, ensuring barcode data accuracy and compliance, providing reliable data verification for your barcode applications.

Code Type	Code Structure	Barcode Type
GTIN-8	Composed of 7 digits (GS1-8 prefix and barcode data) plus 1 check digit	EAN-8
GTIN-12	Composed of 11 digits (U.P.C. company prefix and barcode data) plus 1 check digit	UPC-A
GTIN-13	Composed of 12 digits (GS1 company prefix and barcode data) plus 1 check digit	EAN-13
GTIN-14	Composed of 1 indicator digit (packaging level or variable-measure product), 12 digits (GS1 company prefix and barcode data) plus 1 check digit	ITF-14、GS1-128
SSCC (Serial Shipping Container Code)	Composed of 1 extension digit, 4-12 digit company prefix, 1-7 digit serial reference and 1 check digit, 18 digits in total	GS1-128、GS1 Data Matrix、GS1 QR Code
GLN (Global Location Number)	Composed of a 6-12 digit company prefix, 1-6 digit location reference and 1 check digit, 13 digits in total	GS1-128、GS1 Data Matrix、GS1 QR Code

Global Trade Item Number (GTIN) Check Digit Calculator

Enter digits without the check digit; the system will automatically calculate it and generate the complete GTIN barcode.

Barcode Format	GTIN Data (without check digit)		Check Digit	Full Format
GTIN-8	Please enter 7 digits in the barcode data field.
GTIN-12	Please enter 11 digits in the barcode data field.
GTIN-13	Please enter 12 digits in the barcode data field.
GTIN-14	Please enter 13 digits in the barcode data field.

Serial Shipping Container Code (SSCC) Check Digit Calculator

Enter the SSCC digits without the check digit; the system will automatically calculate it and generate the complete SSCC barcode.

Barcode Format	SSCC Data (without check digit)		Check Digit	Full Format
SSCC	Please enter 17 digits in the barcode data field.

Global Location Number (GLN) Check Digit Calculator

Enter the location reference digits without the check digit; the system will automatically calculate it and generate the complete GLN barcode.

Barcode Format	GLN Location Data (without check digit)		Check Digit	Full Format
GLN	Please enter 12 digits in the location reference field.