# ITF-14 Size Setting Instruction

## ITF-14 Size Setting

OnBarcode products grant users to adjust ITF-14 image size during barcode generation. And ITF-14 barcode size can be set with the following OnBarcode products:

How to generate, print barcode using .NET, Java sdk library control with example project source code free download:

## ITF-14 Structure

• W : the symbol width of ITF-14
• Q : the width of quiet zone on either side, Q min = 10X.
• P : the number of character pairs
• B : the width of the bearer bar
• X : the width of a narrow element
• N : the wide-to-narrow ratio

## ITF-14 Barcode Width

The ITF-14 barcode width, W (measured in pixel), including quiet zones and bearer bars, can be calculated from the following expression:

W = [P( 4N + 6 )X + 2Q + 2B

Then the minimum value of W can be calculated as below:
An ITF-14 symbol must always carry a 14-digit number, so:

P= 7 , B min = 2X , Q min = 10X.
W min = 2Q + 29NX + 48X + 2B
= 72X + 29NX
If, X min = 1 , W min = 72 + 29N

Eg. ITF-14 data = " 1234567890123 " , X = 1 pixel, N = 2.5.
so W min = 2*10 + 29*2.5 + 48 + 2*2 = 144.5 pixel

## ITF-14 Barcode Height

For ITF-14 Symbols, the height of the bars (dark bars) in the target size symbol is 32 millimeters (1.25 inches). The default value of bar height is 60 pixel for OnBarcode products.

OnBarcode provides details of ITF-14 Barcode Size Setting in C#.

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