Section - 16 : Determining the Number of Rows

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Use this table as a guideline to determine the number of font character rows that will be required to create a bar code of the desired height.

Other values are allowed, and the table can be a guide on extrapolating other row sizes. The PDF417 bar code specification has a maximum limit of 90 rows.

For each row in the receiving buffer	Here is the resulting bar code height in inches, using a...
(OCCURS 20 TIMES)	9-dot character height font at 300 dpi	9-dot character height font at 240 dpi	12-dot character height font at 300 dpi	12-dot character height font at 240 dpi
10	0.3000	0.3750	0.4000	0.5000
11	0.3300	0.4125	0.4400	0.5500
12	0.3600	0.4500	0.4800	0.6000
13	0.3900	0.4875	0.5200	0.6500
14	0.4200	0.5250	0.5600	0.7000
15	0.4500	0.5625	0.6000	0.7500
16	0.4800	0.6000	0.6400	0.8000
17	0.5100	0.6375	0.6800	0.8500
18	0.5400	0.6750	0.7200	0.9000
19	0.5700	0.7125	0.7600	0.9500
20	0.6000	0.7500	0.8000	1.0000
21	0.6300	0.7875	0.8400	1.0500
22	0.6600	0.8250	0.8800	1.1000
23	0.6900	0.8625	0.9200	1.1500
24	0.7200	0.9000	0.9600	1.2000
25	0.7500	0.9375	1.0000	1.2500
26	0.7800	0.9750	1.0400	1.3000
27	0.8100	1.0125	1.0800	1.3500
28	0.8400	1.0500	1.1200	1.4000
29	0.8700	1.0875	1.1600	1.4500
30	0.9000	1.1250	1.2000	1.5000
31	0.9300	1.1625	1.2400	1.5500
32	0.9600	1.2000	1.2800	1.6000
33	0.9900	1.2375	1.3200	1.6500
34	1.0200	1.2750	1.3600	1.7000
35	1.0500	1.3125	1.4000	1.7500
36	1.0800	1.3500	1.4400	1.8000
37	1.1100	1.3875	1.4800	1.8500
38	1.1400	1.4250	1.5200	1.9000
39	1.1700	1.4625	1.5600	1.9500
40	1.2000	1.5000	1.6000	2.0000
41	1.2300	1.5375	1.6400	2.0500
42	1.2600	1.5750	1.6800	2.1000
43	1.2900	1.6125	1.7200	2.1500
44	1.3200	1.6500	1.7600	2.2000
45	1.3500	1.6875	1.8000	2.2500