Added a link to TradeTools — the one-app version of this calculator and 61 more, for HVAC, electrical, plumbing, fire protection, solar and carpentry. Nothing else changed.
Only the current version so far — new entries appear as the app ships updates.
Conduit Fill NEC Chapter 9 is a tools app by Rizvan Adzhoyan with 100+ downloads (about 355 estimated). +9 installs in the last 7 days. Rated 3.5 from 12 ratings. Released Feb 27, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “NEC conduit fill calculator. 13 raceways, 15 wire types, nipple mode. Offline”