01 Conduit
02 Calculation Mode
03 Conductors
04 Notes
NEC Table 1 applies to complete conduit systems. Actual dimensions from Table 5 are worst-case stranded values.
This tool checks physical conduit fill only. Verify ampacity separately per NEC Article 310.
Conduit Fill Summary
Total Conductor Area—
Conduit Internal Area—
Fill Percentage—
NEC Limit—
Status
—
Recommended Minimum Size: —
Calculation Breakdown
| Type | Size | Qty | Area Each (sq in) | Area Total (sq in) | Formula |
|---|
Fill % = (Σ(Area × Qty) / Conduit Area) × 100