NEC-compliant EV charger load calculator. Wire size, voltage drop, conduit fill.
About EV Load Calc: NEC Wire & Fill
EV Load Calc: NEC Wire & Fill is a tools app developed by Ali3N Studios LLC.
Download Statistics
EV Load Calc: NEC Wire & Fill has been downloaded 1 times. In the last 30 days, the app was downloaded 0 times.
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App Information
EV Load Calc: NEC Wire & Fill is FREE to download. The APK download size is 3.65 MB. The latest version available is 1.0.1. The last update was on April 11, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play March 2026.
Description
EV Load Calc is the electrical load calculator built for electricians, contractors, and engineers who install EV charging equipment. Every calculation references the NEC (NFPA 70) with full transparency - see the exact article, formula, and math behind every result.
Built by a low-voltage integrator who got tired of flipping through the code book on ladders. If you spec, permit, or install EV chargers, this is the tool that lives in your pocket.
⚡ SINGLE CHARGER SIZING
Size a residential EV charger circuit in seconds. Enter the amperage, voltage, run distance, conductor material, and insulation type. Get:
- Circuit breaker size (NEC 240.6(A), 210.20(A)) - Minimum conductor gauge (NEC Table 310.16) - Voltage drop percentage with pass/fail (NEC 210.19(A)) - Automatic wire upsizing when voltage drop exceeds 3% - Ambient temperature derating (NEC Table 310.15(B)(1)) - Wire cost estimate with custom $/ft override
🔌 MULTI-CHARGER / FLEET SIZING (PRO)
Size feeder circuits for commercial and fleet installs with 2-20 chargers. Compare results with and without an Energy Management System (EMS) per NEC 625.42 to see how much you save on breaker and conductor sizing.
🏠 PANEL CAPACITY CHECK (PRO)
Find out if an existing residential panel can support an EV charger before you pull a permit.
- NEC 220 Standard Method with full demand factors - NEC 220.82 Optional Method toggle for comparison - General lighting, small appliance, laundry, fixed appliances, range, dryer, HVAC, and EV charger loads - Pass/fail verdict with headroom or over-capacity in amps
📐 CONDUIT FILL CALCULATOR
NEC Chapter 9 conduit fill - select conduit type (EMT, IMC, RMC, PVC, FMC), trade size, and add conductors. Shows fill percentage, pass/fail against Table 1 limits, and recommends minimum conduit size.
🔍 SIDE-BY-SIDE COMPARISON
Compare two charger configurations head-to-head. See which option gives you a smaller breaker, lighter wire, or lower voltage drop - differences highlighted in green.
📋 CHARGER DATABASE
Quick-reference specs for 40+ popular EV chargers from Tesla, ChargePoint, Wallbox, Autel, Siemens, Ford, GM, Rivian, and more. Max amps, voltage, connector type, required breaker, and wire gauge at a glance.
🔢 UNIT CONVERTER
AWG to mm², feet to meters, watts/volts/amps calculator, and kW to amps with 125% continuous load factor.
📄 SHOW YOUR WORK
Every calculation expands to show step-by-step math with NEC article references. Export results as a formatted PDF or share as text - ready for permit applications, AHJ inspections, or client proposals.
💾 SAVE & ORGANIZE
Save calculations with custom names and notes. Pull up past jobs instantly.
🔒 FULLY OFFLINE
No internet required. No data leaves your device. NEC tables are baked into the app for instant results on the job site.
EV Load Calc is an educational and reference tool. It is not a substitute for a licensed electrician or your local Authority Having Jurisdiction (AHJ). Always have a qualified professional review and approve any electrical installation.
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