pulgada 2.54 cm BARRA 4 6 8 10 12 14 16 18 20 # 3 2.9 4.3 5.7 7.1 8.6 10.0 11.4 12.8 14.3 # 4 5.1 7.6 10.1 12.7 15.2 17.7 20.3 22.8 25.3 # 5 7.9 11.9 15.8 19.8 23.8 27.7 31.7 35.6 39.6 # 6 11.4 17.1 22.8 28.5 34.2 39.9 45.6 51.3 57.0 # 7 15.5 23.3 31.0 38.8 46.6 54.3 62.1 69.8 77.6 # 8 20.3 30.4 40.5 50.7 60.8 70.9 81.1 91.2 101.3 # 9 25.7 38.5 51.3 64.1 77.0 89.8 102.6 115.4 128.3 # 10 31.7 47.5 63.3 79.2 95.0 110.8 126.7 142.5 158.3 2x2 2x3 2x4 2x5 2x6 2x7 2x8 2x9 2x10 3x3 3x4 3x5 3x6 3x7 3x8 3x9 4x4 4x5 4x6 4x7 4x8 5x5 5x6 5x7 3.877777778 6x6 3.884848485