PVC Schedule 40 Conduit Fill Chart

PVC Schedule 40 areas and fill limits for common branch and feeder pulls.

Source: Chapter 9 Table 4
Edition: 2023
Updated: 2026-07-27
Scope: United States

Lookup Table

How much area is available in PVC Schedule 40 conduit?

PVC trade size	Total area	40% area
1/2 in	0.285 sq in	0.114 sq in
3/4 in	0.508 sq in	0.203 sq in
1 in	0.832 sq in	0.333 sq in
1-1/4 in	1.453 sq in	0.581 sq in
1-1/2 in	1.986 sq in	0.794 sq in
2 in	3.291 sq in	1.316 sq in

PVC Schedule 40 Conduit Fill Chart. Derived as a task-focused reference view; verify marginal work against the source and the AHJ edition.

Calculated against the NEC 2023 edition using Chapter 9 Table 4, Chapter 9 Table 1. Confirm the edition adopted by your AHJ, which may differ and may carry local amendments.

Not covered by this tool

Local amendments and equipment markings can be stricter than this reference view.
Marginal values should be checked directly against the adopted edition.
This page is a routing aid and does not replace the owning calculator for project-specific inputs.

Data last verified 2026-07-27