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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
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