Conduit Fill Calculator NEC Ch.9 Table 4 & 5

Calculate conduit fill percentage per NEC Chapter 9 Table 1.

Quick Start Presets

Conduit Type

Conduit Size

Conduit Length (optional)

Standard fill limits apply.

Conductors

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Conduit Fill

Conductor	Area (in²)	Qty	Total (in²)

Remaining Capacity

For reference only. Verify all results with the current NEC and local amendments. See Terms of Use.