About Conduit Fill Calculator

The Conduit Fill Calculator helps electricians and engineers quickly estimate conduit fill percentages in line with the National Electrical Code (NEC). It provides instant results, clear pass/fail validation, and a modern, mobile-first UI.

We focus on clarity, speed, and accuracy. Our goal is to make professional electrical calculations easy to understand and share with teams and clients.

For support, questions, or feedback, email us at support@conduitfillcalc.com.