Table 5.1

Map Scale Conversion Factors
 

Scale	Representative Fraction	Map in/mi	Map in/ch	map ft/in
1:253,440	253.44	0.25	0.0031	21,120
1:126,720	126.72	0.50	0.0063	10,560
1:63,360	63.36	1.00	0.0125	5,280
1:62,500	62.50	1.01	0.0127	5,208
1:31,680	31.68	2	0.025	2,640
1:24,000	24.00	2.64	0.033	2,000
1:21,120	21.12	3	0.038	1,760
1:15,840	15.84	4	0.05	1,320
1:7,920	7.92	8	0.1	660

Table 5.1. Map Scale Conversion Factors