Conduit Fill Calculator
This conduit size calculator will help you answer two questions:
  • • What size conduit do I need?               
  • • How many cables will fit in my conduit?
To find out how many cables you can run in a given conduit size, enter your Belden cable part number, or enter the diameter of your cable. Next, select the type of conduit you are specifying. Then, under Conduit Size, select the size of your conduit and hit “Calculate.”

To determine the size of conduit you need in order to fit your chosen cable, enter your Belden cable part number or the diameter of your cable. Next, select the type of conduit you are specifying. Then, under # of Cables, enter your details and hit “Calculate.”
(example 9269 or 8723)
OR
(example 0.125 or 1.250)