Conduit Fill Calculator

Calculate conduit fill percentages according to NEC requirements to ensure proper wire installation and code compliance.

Conduit Fill Parameters

Calculate conduit fill percentages according to NEC Chapter 9 requirements for proper wire installation

Conduit Specifications

Conduit Type

Trade Size

Installation Parameters

Installation Type

Fill Type

Wire Configuration

Wire 1

Wire Type

AWG Size

Count

Conduit fill calculations per NEC Chapter 9. Maximum fill percentages: 53% (1 conductor), 31% (2 conductors), 40% (3+ conductors). Nipples ≤24" allow 60% for multiple conductors.

Actions

Conduit Fill Analysis

NEC Chapter 9 compliance check and fill percentage breakdown

Configure conduit and wires to see fill analysis

NEC Chapter 9 compliance check