the american practical navigator table 5 natural numeric chart scales

666 TABLE Natural and Numerical Chart Scales Miles Per Inch Natural Scale 1:500 1:600 1:1,000 1:1,200 1:1,500 1:2,000 1:2,400 1:2,500 1:3,000 1:3,600 1:4,000 1:4,800 1:5,000 1:6,000 1:7,000 1:7,200 1:7,920 1:8,000 1:8,400 1:9,000 1:9,600 1:10,000 1:10,800 1:12,000 1:13,200 1:14,400 1:15,000 1:15,600 1:15,840 1:16,000 1:16,800 1:18,000 1:19,200 1:20,000 1:20,400 1:21,120 1:21,600 1:22,800 1:24,000 1:25,000 1:40,000 1:48,000 1:50,000 1:62,500 1:63,360 1:75,000 1:80,000 1:100,000 1:125,000 1:200,000 1:250,000 1:400,000 1:500,000 1:750,000 1:1,000,000 FORMULAS Inches Per Mile Nautical Statute Nautical Statute 0.007 0.008 0.014 0.016 0.021 0.027 0.033 0.034 0.041 0.049 0.055 0.066 0.069 0.082 0.096 0.099 0.109 0.110 0.115 0.123 0.132 0.137 0.148 0.165 0.181 0.197 0.206 0.214 0.217 0.219 0.230 0.247 0.263 0.274 0.280 0.290 0.296 0.313 0.329 0.343 0.549 0.658 0.686 0.857 0.869 1.029 1.097 1.371 1.714 2.743 3.429 5.486 6.857 10.286 13.715 0.008 0.009 0.016 0.019 0.024 0.032 0.038 0.039 0.047 0.057 0.063 0.076 0.079 0.095 0.110 0.114 0.125 0.126 0.133 0.142 0.152 0.158 0.170 0.189 0.208 0.227 0.237 0.246 0.250 0.253 0.265 0.284 0.303 0.316 0.322 0.333 0.341 0.360 0.379 0.395 0.631 0.758 0.789 0.986 1.000 1.184 1.263 1.578 1.973 3.157 3.946 6.313 7.891 11.837 15.783 145.83 121.52 72.91 60.76 48.61 36.46 30.38 29.17 24.30 20.25 18.23 15.19 14.58 12.15 10.42 10.13 9.21 9.11 8.68 8.10 7.60 7.29 6.75 6.08 5.52 5.06 4.86 4.67 4.60 4.56 4.34 4.05 3.80 3.65 3.57 3.45 3.38 3.20 3.04 2.92 1.82 1.52 1.46 1.17 1.15 0.97 0.91 0.73 0.58 0.36 0.29 0.18 0.15 0.10 0.07 126.72 105.60 63.36 52.80 42.24 31.68 26.40 25.34 21.12 17.60 15.84 13.20 12.67 10.56 9.05 8.80 8.00 7.92 7.54 7.04 6.60 6.34 5.87 5.28 4.80 4.40 4.22 4.06 4.00 3.96 3.77 3.52 3.30 3.17 3.11 3.00 2.93 2.78 2.64 2.53 1.58 1.32 1.27 1.01 1.00 0.85 0.79 0.63 0.51 0.32 0.25 0.16 0.13 0.08 0.06 Feet Per Inch 41.67 50.00 83.33 100.00 125.00 166.67 200.00 208.33 250.00 300.00 333.33 400.00 416.67 500.00 583.33 600.00 660.00 666.67 700.00 750.00 800.00 833.33 900.00 1,000.00 1,100.00 1,200.00 1,250.00 1,300.00 1,320.00 1,333.33 1,400.00 1,500.00 1,600.00 1,666.67 1,700.00 1,760.00 1,800.00 1,900.00 2,000.00 2,083.33 3,333.33 4,000.00 4,166.67 5,208.33 5,280.00 6,250.00 6,666.67 8,333.33 10,416.67 16,666.67 20,833.33 33,333.33 41,666.67 62,500.00 83,333.33 SCALE 72,913.39 SCALE 63,360 72,913.39 SCALE 63,360 SCALE SCALE 12