Will It Pull? - NEC Calc

Karigar Works

About this app

Will It Pull? is the fastest, most reliable offline conduit fill calculator built specifically for commercial and industrial electricians. Designed around the 2023 National Electrical Code (NEC), this tool ensures your pipe runs are strictly compliant with Chapter 9, Tables 4 & 5 before you pull a single wire.

Built by Karigar Works for the trade professional, we eliminated the bloat. There are no ads, no required sign-ups, and no internet connection needed. Just open the app in the trench, the lift, or the electrical room and get your exact fill percentages instantly.

CORE FEATURES
• 100% Offline: Works deep in concrete basements and rural job sites with zero cell service.
• NEC 2023 Compliant: Accurate calculations based on the latest National Electrical Code requirements.
• 24-Inch Nipple Exception: One-tap toggle to apply the 60% fill rule for short conduit sleeves.
• Fast & Intuitive UI: Select your pipe, add your wires, and instantly see your fill percentage and remaining square inch capacity.

SUPPORTED CONDUIT (Up to 4")
• EMT (Electrical Metallic Tubing)
• PVC Schedule 40 & Schedule 80
• RMC (Rigid Metal Conduit)
• IMC (Intermediate Metal Conduit)
• FMC (Flexible Metal Conduit)
• LFMC (Liquidtight Flexible Metal Conduit)

SUPPORTED WIRE (14 AWG to 500 kcmil)
• THHN / THWN-2
• XHHW / XHHW-2

Privacy-first and designed for the master craftsman, Will It Pull? is the ultimate pocket reference for your toolbelt.

What’s new

Initial release of Will It Pull? - NEC Calc.

• Built for commercial and industrial electricians.
• 100% offline conduit fill calculations.
• Fully compliant with NEC 2023 Chapter 9, Tables 4 & 5.
• Supports EMT, PVC, RMC, IMC, FMC, and LFMC up to 4".
• Wire gauges from #14 up to 500 kcmil (THHN/XHHW).
• Built-in toggle for the 24-inch nipple exception (60% fill rule).
• Privacy-first: No ads, no sign-ups, and zero data tracking.