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GS1-128 Barcode Font Suite User Manual

The GS1-128 Barcode Font Suite provides several font sizes designed to produce any GS1-128 barcode type to meet various requirements.

Purchase the IDAutomation GS1-128 Barcode Font  Package Download IDAutomation GS1-128 Barcode Fonts View the release log for the GS1-128 Barcode Font Suite GS1-128 Font FAQ

GS1 Font Sizes

GS1-128 Size Summary: For GS1-128 symbols, the absolute minimum X-dimension is 0.250 mm (0.00984 in.). The maximum X dimension is 1.016 mm (0.040 in.). Application specifications stipulate a target and range of the X dimension. For symbols used in general distribution, the minimum height is 32 mm (1.25 in.). The actual symbol height used depends on specific application requirements.

Several font versions are provided to support different GS1 height and width specifications. The last number in the font name determines X to Y (narrow bar to height) ratio which determines the height of the barcode symbol. Each single font may also be printed at various point sizes, which means several combinations of heights and widths may be produced. This GS1 font package is designed to produce all sizes to meet any GS1 specification. The charts below list several implementation examples. Always refer to the latest GS1 General Specifications for a complete list of current implementation requirements.

Chart of common fonts used with .50" (13mm) height requirements:

Font Name Points X Dimension GS1 Implementation Examples
IDAutomationGS1 68 9 7mil (.17mm) Minimum size for non-retail consumer trade items.
IDAutomationGS1 60 11 9mil (.23mm) Consumer trade items.
IDAutomationGS1 50 12 10mil (.25mm) Minimum X and height for GS1-128 when used for SSCC, GDTI, GRAI, GIAI and GLN.
IDAutomationGS1 38 16 13mil (.33mm) Recommended size for retail consumer trade items.
IDAutomationGS1 32 19 15mil (.39mm) USPS Customs Declarations Form.
IDAutomationGS1 28 22 18mil (.47mm) Minimum height for GS1-128 with larger X dimension.

Chart of common fonts used with .75" (19mm) height requirements:

Font Name Points X Dimension GS1 Implementation Examples
IDAutomationGS1 64 14 12mil (.30mm) Small X at .75" high.
IDAutomationGS1 56 16 13mil (.33mm) USPS Special Services minimum height and width.
IDAutomationGS1 52 18 15mil (.39mm) USPS Special Services preferred height and width.

Chart of common fonts used with 1.25" (32mm) height requirements:

Font Name Points X Dimension Y (Height) GS1 Implementation Examples
IDAutomationGS1 92 16 13mil (.34mm) 1.25" (32mm) Shortest width for labels.
IDAutomationGS1 76 20 16mil (.42mm) 1.25" (32mm) Shorter width for labels.
IDAutomationGS1 64 23 19mil (.495mm) 1.25" (32mm) Minimum X for trade items in general distribution.
IDAutomationGS1 46 30 25mil (.64mm) 1.25" (32mm) Target size for trade items scanned in general distribution.
IDAutomationGS1 46 34 28mil (.71mm) 1.25" (32mm) Medium X for trade items.
IDAutomationGS1 42 38 30mil (.64mm) 1.25" (32mm) Larger X for trade items.
IDAutomationGS1 32 48 40mil (1.0mm) 1.25" (32mm) Largest X for trade items. Carton barcode size when not printed on labels.

Complete chart of all fonts by name:

Font Name Points X Dimension Y (Height) GS1 Implementation Examples
IDAutomationGS1 13 12 10mil (.25mm) .13" (3.2mm) DataBar Truncated smallest size.
IDAutomationGS1 24 12 10mil (.25mm) .24" (6.2mm) DataBar Expanded shortest height.
IDAutomationGS1 28 22 18mil (.47mm) .50" (13mm) Minimum height for GS1-128 in non-automated scanning.
DataBar Stacked shortened height.
IDAutomationGS1 32 19 15mil (.39mm) .50" (13mm) USPS Customs Declarations Form.
IDAutomationGS1 32 48 40mil (1.0mm) 1.25" (32mm) GS1 UK carton barcode when not printed on labels.
IDAutomationGS1 34 10 8mil (.208mm) .28" (7.1mm) DataBar Stacked Omnidirectional for loose produce. Stacked height: .58" (14.8mm)
IDAutomationGS1 34 12 10mil (.25mm) .34" (8.7mm) DataBar Stacked Omnidirectional for POS. Stacked height: .72" (18.2mm)
IDAutomationGS1 38 16 13mil (.33mm) .50" (13mm) GS1 US 13mil with minimum height.
IDAutomationGS1 42 38 30mil (.64mm) 1.25" (32mm) Large X Dimension with 32mm height.
IDAutomationGS1 46 34 28mil (.71mm) 1.25" (32mm) Medium X Dimension with 32mm height.
IDAutomationGS1 50 12 10mil (.25mm) .50" (13mm) Minimum X and height for GS1-128.
IDAutomationGS1 52 18 15mil (.39mm) .76" (20mm) USPS Special Services preferred height and width.
IDAutomationGS1 56 16 13mil (.33mm) .75" (19mm) USPS Special Services.
IDAutomationGS1 60 11 9mil (.23mm) .50" (13mm) GS1 consumer trade items.
IDAutomationGS1 64 23 20mil (.5mm) 1.25" (32mm) Small X Dimension with 32mm height.
IDAutomationGS1 68 9 7mil (.17mm) .50" (13mm) Minimum for healthcare non-retail consumer trade items.
IDAutomationGS1 72 21 17mil (.44mm) 1.25" (32mm) Custom size for carton labels.
IDAutomationGS1 76 20 16mil (.42mm) 1.25" (32mm) Short width for labels.
IDAutomationGS1 80 19 15mil (.40mm) 1.25" (32mm) Shorter width for labels.
IDAutomationGS1 92 16 13mil (.34mm) 1.25" (32mm) Shortest width for labels.
Note: Measurements may vary up to 5% depending upon the resolution of the destination device.

Custom Sizes:
  • To determine the height for a particular font, use the formula X Size * Font Number = Height. For example, 12 points with IDAutomationGS1 50 is a font height of .50" (13mm) because .01" * 50 = 0.5".
  • To determine the approximate symbol width when encoding an even set of numbers, use the formula (((Digits Encoded / 2) * 11) + 36) * X Size = Width.

X Dimensions by Font Point Size

The width of the narrowest bar in the symbol is referred to as the X-Dimension. The chart below lists the approximate X dimensions for several common sizes used in the GS1 system.

Point Size

X-Dimension

9 7mil (.17mm)
10 8mil (.21mm)
11 9mil (.23mm)
12 10mil (.25mm)
14 12mil (.30mm)
16 13mil (.33mm)
18 15mil (.39mm)
19 15mil (.40mm)
20 16mil (.42mm)
21 17mil (.44mm)
22 18mil (.47mm)
23   19mil (.495mm)
24 20mil (.51mm)
30 25mil (.64mm)
34 28mil (.71mm)
38 30mil (.64mm)
40 33mil (.84mm)
48 40mil (1.0mm)

Note: Measurements may vary up to 5% depending upon the resolution of the destination device.

When printing to a printer with less than 600 DPI, use the following point sizes to generate the most accurate symbols:

203 DPI Thermal Printer 300 DPI Printer
6, 12, 18, 24, 30, 36 4, 8, 12, 16, 20, 24, 28, 32, 36

Encoding Data with Font Encoders

All barcode fonts require special formatting so that the data, when the barcode font is applied, will meet required specifications. Over 20 royalty free font encoders, macros and plug-ins are available to perform this automatically, including a stand-alone Font Encoder Software Application. Visual Basic Modules, Java Encoders, .NET Assembly DLL, C++ Header files, Oracle PLLs are included with a purchase of a Developer License and above.

GS1-128 Font Package
Create GS1-128 Barcodes in Excel Tutorial

The IDAutomationGS1 fonts may use any function beginning with IDAutomation_Uni (as in the figure above) or IDAutomation_DataBar. The Human Readable portion in the example above used the IDAutomation_C128HR function.

Symbology Encoder Method Examples and Notes
GS1-128 IDAutomation_Uni_C128(DataToEncode, ApplyTilde) When using IDAutomation_Uni_C128 ensure that ApplyTilde is enabled an appropriate FNC1 (represented as ~202 or character ) is included at the beginning of the data being encoded. For example:
IDAutomation_Uni_C128 ("~2020110614141543219", TRUE)

Most encoders also provide an automated method of calculating MOD 10 characters if they are required with ~m as defined in IDAutomation's GS1-128 Barcode FAQ, for example:
IDAutomation_Uni_C128 ("~202912312214123442441134~m19", TRUE )
GS1-128 HR Text IDAutomation_C128HR(DataToEncode) Formats HR text by adding parentheses around each AI according to each appropriate FNC1 tilde code, as defined in IDAutomation's GS1-128 Barcode FAQ. For example:
IDAutomation_C128HR ("~2120110614141543219")
The VB script and VBA included with this product also places parentheses around appropriate fixed length AIs that are not preceded with an FNC1 character.
ITF-14 IDAutomation_Uni_I2of5(DataToEncode, N_Dimension, IncludeCheckDigit) ITF-14 will always encode 14 digits; the last digit is a check digit and will be calculated automatically if that option is set to True.
IDAutomation_Uni_I2of5 ("1061414154321", 2.5, TRUE)
Code 39, Code 93, MSI & Codabar Use the appropriate function beginning with IDAutomation_Uni within any Font Encoder. For example, IDAutomation_Uni_C39 ("1061414154321", 3, TRUE)
Function Descriptions

Generating GS1 DataBar Font Symbols

In addition to GS1-128, the IDAutomationGS1 fonts with sizes between 13 and 34 can also generate DataBar symbols. DataBar symbols are generally printed at 12 points which is 10mil (.25mm).

GS1 Barcode Font Type Height Font to Use Encoder Method
DataBar 34x IDAutomationGS1 34 (22, 28, 32)* DataBar (DataToEncode)
DataBar Expanded 34x IDAutomationGS1 34 (22, 28, 32)* DataBarExpanded (DataToEncode, 22)
DataBar Expanded Stacked 71x IDAutomationGS1 34 (22, 28, 32)* DataBarExpanded (DataToEncode, Segments) **
DataBar Limited 13x IDAutomationGS1 13 DataBarLimited (DataToEncode)
DataBar Stacked 13x IDAutomationGS1 13 DataBarStacked (DataToEncode)
DataBar Stacked Omnidirectional 71x IDAutomationGS1 34 (22, 28, 32)* DataBarStackedOmniDirectional (DataToEncode)
DataBar Truncated 13x IDAutomationGS1 13 DataBar (DataToEncode)

* Functions designed to utilize IDAutomationGS1 34 may also use the shorter 22, 28 and 32 font heights. However, because these heights are below GS1 specifications they should only be used in closed systems after ensuring that all scanners can dependably decode the barcode.

** DataBar Expanded Stacked symbols are produced in the DataBar Expanded method by reducing the segments property to a low, even number such as 4 or 6. DataBar Expanded and DataBar Expanded Stacked are both Omnidirectional, even though Omnidirectional is not part of the name. When the symbol is 22 segments or not stacked, it is referred to as DataBar Expanded.

Support

Forum Support for GS1-128 Barcode Font Suite
View the release log for the GS1-128 Barcode Font Suite

To troubleshoot any existing problems further, refer to IDAutomation's Font Problems and Solutions, the IDAutomation Support Forum or contact support.

Priority phone, email and forum support is also provided via several contact methods within 30 days of purchase. Support after this complimentary period may be received with an active Priority Support & Upgrade Subscription.

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