view face area conversion chart for another tube size

Fin Ht.Fin Length (In.)
(In.)121824303642485460667278849096102108114120
2.500.20.30.40.50.60.70.80.91.01.11.31.41.51.61.71.81.92.02.1
3.750.30.50.60.80.91.11.31.41.61.71.92.02.22.32.52.72.83.03.1
5.000.40.60.81.01.31.51.71.92.12.32.52.72.93.13.33.53.84.04.2
6.250.50.81.01.31.61.82.12.32.62.93.13.43.63.94.24.44.74.95.2
7.500.50.91.31.61.92.22.52.83.13.43.84.14.44.75.05.35.65.96.3
8.750.71.11.51.82.22.62.93.33.64.04.44.75.15.55.86.26.66.97.3
10.000.81.31.72.12.52.93.33.84.24.65.05.45.86.36.77.17.57.98.3
11.250.91.41.92.32.83.33.84.24.75.25.66.16.67.07.58.08.48.99.4
12.501.01.62.12.63.13.64.24.75.25.76.36.87.37.88.38.99.49.910.4
13.751.11.72.32.93.44.04.65.25.76.36.97.48.08.69.29.710.310.911.5
15.001.31.92.53.13.84.45.05.66.36.97.58.18.89.410.010.611.311.912.5
16.251.42.02.73.44.14.75.46.16.87.48.18.89.510.210.811.512.212.913.5
17.501.52.22.93.64.45.15.86.67.38.08.89.510.210.911.712.413.113.914.6
18.751.62.33.13.94.75.56.37.07.88.69.410.210.911.712.513.314.114.815.6
20.001.72.53.34.25.05.86.77.58.39.210.010.811.712.513.314.215.015.816.7
21.251.82.73.54.45.36.27.18.08.99.710.611.512.413.314.215.115.916.817.7
22.501.92.83.84.75.66.67.58.49.410.311.312.213.114.115.015.916.917.818.8
23.752.03.04.04.95.96.97.98.99.910.911.912.913.914.815.816.817.818.819.8
25.002.13.14.25.26.37.38.39.410.411.512.513.514.615.616.717.718.819.820.8
26.252.23.34.45.56.67.78.89.810.912.013.114.215.316.417.518.619.720.821.9
27.502.33.44.65.76.98.09.210.311.512.613.814.916.017.218.319.520.621.822.9
28.752.43.64.86.07.28.49.610.812.013.214.415.616.818.019.220.421.622.824.0
30.002.53.85.06.37.58.810.011.312.513.815.016.317.518.820.021.322.523.825.0
31.252.63.95.26.57.89.110.411.713.014.315.616.918.219.520.822.123.424.726.0
32.502.74.15.46.88.19.510.812.213.514.916.317.619.020.321.723.024.425.727.1
33.752.84.25.67.08.49.811.312.714.115.516.918.319.721.122.523.925.326.728.1
35.002.94.45.87.38.810.211.713.114.616.017.519.020.421.923.324.826.327.729.2
36.253.04.56.07.69.110.612.113.615.116.618.119.621.122.724.225.727.228.730.2
37.503.14.76.37.89.410.912.514.115.617.218.820.321.923.425.026.628.129.731.3
38.753.24.86.58.19.711.312.914.516.117.819.421.022.624.225.827.429.130.732.3
40.003.35.06.78.310.011.713.315.016.718.320.021.723.325.026.728.330.031.733.3
41.253.45.26.98.610.312.013.815.517.218.920.622.324.125.827.529.230.932.734.4
42.503.55.37.18.910.612.414.215.917.719.521.323.024.826.628.330.131.933.635.4
43.753.65.57.39.110.912.814.616.418.220.121.923.725.527.329.231.032.834.636.5
45.003.85.67.59.411.313.115.016.918.820.622.524.426.328.130.031.933.835.637.5
46.253.95.87.79.611.613.515.417.319.321.223.125.127.028.930.832.834.736.638.5
47.504.05.97.99.911.913.915.817.819.821.823.825.727.729.731.733.635.637.639.6
48.754.16.18.110.212.214.216.318.320.322.324.426.428.430.532.534.536.638.640.6
50.004.26.38.310.412.514.616.718.820.822.925.027.129.231.333.335.437.539.641.7

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