Wire Size Calculator

Name: Wire Size Calculator
Author: k4y apps

Android app by k4y apps. Tools · k4y apps

Store rating: Unknown
Store rating count: Unknown
Download price: Free to download
In-app purchases: Not listed in captured metadata
Version: 1.0.0
Listing last refreshed: 2026-09-16

Store description excerpt

Wire Size Calculator sizes a conductor for a real circuit, in both directions - and shows the NEC table figures behind the answer. Use this wire size calculator to find the conductor size a circuit needs, or check the voltage drop for a size you already have in mind, using NEC conductor tables. Every table value applied to your circuit is shown on screen so you can check the math. WIRE SIZE - Enter load current, one-way run length, system voltage, phase, conductor material, and a maximum voltage drop percentage - Get a recommended conductor size, with the ampacity-required size and voltage-drop-required size shown side by side - See which constraint governs, and a plain-language sentence explaining why - View the full derating breakdown: base table ampacity, ambient temperature correction factor, conductor-count adjustment factor, and the resulting allowed ampacity - Set termination temperature rating, ambient temperature, and number of current-carrying conductors - Save a circuit; the first saved circuit needs no ad VOLT DROP - Pick a conductor size and see the resulting voltage drop in volts and as a percent of system voltage, using the same circuit inputs as the Wire Size tab - A meter shows where the drop falls against the 3% branch-circuit and 5% total advisory figures - See the next larger standard size and the drop it would produce - Log a result to a running history list; logging needs no ad, and the saved history list unlocks with a short rewarded ad CIRCUITS - Save the current circuit's inputs and its recommended size - Reopen a saved circuit to reload its figures - Delete any saved circuit - The first saved circuit needs no ad; saving more unlocks with a short rewarded ad WHAT IT CALCULATES This app implements NEC conductor ampacity tables, ambient temperature correction, conductor-count adjustment, and a standard resistance-based voltage-drop formula. It is a calculation aid, not a substitute for a licensed electrical design - the authority having jurisdiction and the code edition actually adopted for an installation govern. Always verify against the locally adopted code and, where required, a licensed electrician or engineer. BUILT FOR THE JOB SITE - Fast entry with minimal taps - Works offline on site or in the panel room - No account required - Your saved circuits and history stay on your device This app is ad-supported. Sizing and voltage-drop calculations are always available; saving beyond the first circuit or viewing your logged history unlocks with a short rewarded ad.

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