Fill Ratio Calculator

Step 1   Outer Duct ID(inch): Sq Area, inch2:

Step 2   Conduit ID greater than 2.75 Yes No Pull length less than 450 ft Yes No Pull length greater than 1000 ft Yes No Total sweeps greater than 135 deg Yes No

Input OD of both existing and new cables to be installed. Place in order of size - largest OD to smallest OD

Step 3      Step 4 Cable or Subduct OD, (inch)   Number of each   Sq Area, inch^2

Results

Reccommended Fill Ratio: # of cables, existing & added:

Cumulative Sq Area Current Fill Ratio