Conduit Fill Calculator – Internal Tool

Purpose

Conduit fill tool. For final sizing, verify against the current Canadian Electrical Code.

Inputs

Conductor Size (AWG/kcmil)

Insulation Type

Number of Conductors (Including Neutral)

Conduit Type

Ground Conductor Material

Overcurrent Ampacity (For Ground)

Conduit size units

Allowable Fill %

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Area per Conductor (mm²)

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Total Conductor Area (mm²)

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Ground Conductor (Table 16)

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Ground Area (mm²)

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Minimum Conduit Trade Size

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Max Fill Area (mm²)

—

Remaining Fill %

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Trade sizes and maximum allowable fill for the selected conduit type and number of conductors.

Trade Size	Max Fill Area (mm²)	OK