CONDUCTOR Conductor Weight (lbs./Mft.)
Where: = 3.14 D = Diameter L = Length P = Pounds of water/gallon (8.34) G = Density of copper (8.39), aluminum (2.70) N = Number of strands C = Cubic inches of water/gallon (231.0) K = Weight increase due to stranding
No. of Strands 19 37 49 133 or more 
K 1.02 1.026 1.03 1.04  
SHIELD Shield OD = Diameter under shield + addition (inches)
AWG Size (Braid) 40 38 36 34 32 30 28 
Addition 0.14 .018 .022 .028 .035 .044 .056  Shield Weight (Lbs./Mft.) Where: N = Number of ends per carrier C = Number of carriers W = Weight of one shielding strand (Lbs./Mft.) a = Braid angle 
INSUALTION Insulation Weight (lbs./Mft.)
Where: D = Diameter over insulation (in.) d = Diamteter over conductor (in.) K = Constant = 680 G = Specific gravity of insulation 
Percent Coverage
Where: F = NPd/Sin a N = Number of ends per carrier P = Picks per inch d = Diameter of one shielding strand a = Braid angle tan a = 2 (D + 2d) P/C D = Diameter of cable under shield in inches C = Number of carriers 
TAPE Tape Weight (lbs./Mft.)
Where: K = 1364 t = tape thickness f = multiplying factor d = diameter of cable under tape (inches) G = specific gravity of tape
% Lap 17.5 25 33 50 
f 1.25 1.28 1.32 2.0  
*AWG Size 40 38 36 34 32 30 
d (inches) .0031 .0040 .0050 .0063 .0080 .0100 
W (Lbs./Mft.) .0291 .0481 .0757 .120 .194 .303  JACKET Jacket Weight (Lbs./Mft.)
Where: D = Diameter over jacket (inches) d = Diameter under jacket (inches) K = 680 G = Specific gravity of jacket material 
TWISTING LOSS Use approximately 3% for all cables OD = diameter of a single conductor in layer, therefore,
or, 25 conductors, each 0.075" OD will fit around a core diameter of 0.540". 3. Diameter over the outer layer = 0.540" + (0.075" x 2) = 0.690" 
TOTAL WEIGHT (Cabled Conductors) Weight (Lbs./Mft.) = N x L x W Where: N = Number of conductors W = Weight of one insulated conductor (Lbs./Mft.) L = Twisting loss (1.03)
