Facts & Figures Book - KPI-JCI

AREA AND CIRCUMFERENCE OF CIRCLES (INCHES)Dia. Area Cir. Dia. Area Cir. Dia. Area Cir. Dia. Area Cir.1 ⁄8 0.0123 .3926 10 78.54 31.41 30 706.86 94.24 65 3318.3 204.21 ⁄4 0.0491 .7854 10 1 ⁄2 86.59 32.98 31 754.76 97.38 66 3421.2 207.33⁄8 0.1104 1.178 11 95.03 34.55 32 804.24 100.5 67 3525.6 210.41 ⁄2 0.1963 1.570 11 1 ⁄2 103.86 36.12 33 855.30 103.6 68 3631.6 213.65 ⁄8 0.3067 1.963 12 113.09 37.69 34 907.92 106.8 69 3739.2 216.73 ⁄4 0.4417 2.356 12 1 ⁄2 122.71 39.27 35 962.11 109.9 70 3848.4 219.97 ⁄8 0.6013 2.748 13 132.73 40.84 36 1017.8 113.0 71 3959.2 223.01 0.7854 3.141 13 1 ⁄2 143.13 42.41 37 1075.2 116.2 72 4071.5 226.11 1 ⁄8 0.9940 3.534 14 153.93 43.98 38 1134.1 119.3 73 4185.3 229.31 1 ⁄4 1.227 3.927 14 1 ⁄2 165.13 45.55 39 1194.5 122.5 74 4300.8 232.41 3 ⁄8 1.484 4.319 14 176.71 47.12 40 1256.6 125.6 75 4417.8 235.61 1 ⁄2 1.767 4.712 15 1 ⁄2 188.69 48.69 41 1320.2 128.8 76 4536.4 238.71 5 ⁄8 2.073 5.105 16 201.06 50.26 42 1385.4 131.9 77 4656.0 241.91 3 ⁄4 2.405 5.497 16 1 ⁄2 213.82 51.83 43 1452.2 135.0 78 4778.3 245.01 7 ⁄8 2.761 5.890 17 226.98 53.40 44 1520.5 138.2 79 4901.6 248.12 3.141 6.283 17 1 ⁄2 240.52 54.97 45 1590.4 141.3 80 5026.5 251.32 1 ⁄4 3.976 7.068 18 254.46 56.46 46 1661.9 144.5 81 5153.0 254.42 1 ⁄2 4.908 7.854 18 1 ⁄2 268.80 58.11 47 1734.9 147.6 82 5281.0 257.62 3 ⁄4 5.939 8.639 19 283.52 59.69 48 1809.5 150.7 83 5410.6 260.73 7.068 9.424 19 1 ⁄2 298.64 61.26 49 1885.7 153.9 84 5541.7 263.83 1 ⁄4 8.295 10.21 20 314.16 62.83 50 1963.5 157.0 85 5674.5 257.03 1 ⁄2 9.621 10.99 20 1 ⁄2 330.06 64.40 51 2042.8 160.2 86 5808.8 270.13 3 ⁄4 11.044 11.78 21 346.36 65.97 52 2123.7 163.3 87 5944.6 272.34 12.566 12.56 21 1 ⁄2 363.05 67.54 53 2206.1 166.5 88 6082.1 276.44 1 ⁄2 15.904 14.13 22 380.13 69.11 54 2290.2 169.6 89 6221.1 279.65 19.635 15.70 22 1 ⁄2 397.60 70.68 55 2375.8 172.7 90 6361.7 282.75 1 ⁄2 23.758 17.27 23 415.47 72.25 56 2463.0 175.9 91 6503.8 285.86 28.274 18.84 23 1 ⁄2 433.73 73.82 57 2551.7 179.0 92 6647.6 289.06 1 ⁄2 33.183 20.42 24 452.39 75.39 58 2642.0 182.2 93 6792.9 292.17 38.484 21.99 24 1 ⁄2 471.43 76.96 59 2733.9 185.3 94 6939.7 295.37 1 ⁄2 44.178 23.56 25 490.87 78.54 60 2827.4 188.4 95 7088.2 298.48 50.265 25.13 26 530.93 81.68 61 2922.4 191.6 96 7238.2 301.58 1 ⁄2 56.745 26.70 27 572.55 84.82 62 3019.0 194.7 97 7389.8 304.79 63.617 28.27 28 615.75 87.96 63 3117.2 197.9 98 7542.9 307.89 1 ⁄2 70.882 29.84 29 660.52 91.10 64 3216.9 201.0 99 7697.7 311.0227