Converting Feet and Inches to Inches
In order to generate a 2D AAMVA DL PDF417 Barcode you need to know the growth of the license holder. Some states indicate height in the barcode only in inches. So you need to be able to convert feet and inches into inches. The easiest way to do this is to use a free online human height converter.
We recommend this website http://www.sengpielaudio.com/calculator-bodylength.htm
Simply enter feet (5 in the example) and inches (09 in the example) and click calculate. You can use the result (69 in the example) when generating your usa dl barcode.