PVC Conduit Fill Calculator - Schedule 40 & 80
Calculate PVC conduit fill percentages for both Schedule 40 and Schedule 80 with our free, NEC-compliant calculator. PVC conduit is highly corrosion resistant, versatile, and lightweight, making it ideal for both underground and above-ground installations in various environments.
Schedule 40 PVC is suitable for most general applications, while Schedule 80 provides extra wall thickness for demanding conditions. Both types offer excellent chemical resistance and are perfect for wet, corrosive, or underground locations where metal conduit would be unsuitable.
Input Parameters
Conductors
Results
Visual Representation
Enter conduit and wire information to see results
NEC Fill Requirements
According to NEC Chapter 9, Table 1: 1 conductor = 53% max, 2 conductors = 31% max, 3+ conductors = 40% max, Nipples = 60% max
PVC Conduit Usage Scenarios
Schedule 40 Applications:
- Underground residential installations
- Wet and damp locations
- Corrosive environments
- Direct burial applications
- Pool and spa wiring
Schedule 80 Applications:
- High-traffic areas requiring extra protection
- Areas prone to physical damage
- Exposed outdoor installations
- Industrial facilities
- Parking garages and vehicle areas
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