FieldCalc vs Circuits

Professional Voltage Drop Calculator for Electricians FieldCalc – Voltage Drop Pro is a professional-grade voltage drop calculator built for electricians and contractors. Designed for fast, accurate field use. Features • Single-phase & three-phase calculations • Copper and aluminum conductors • AWG 14 through 4/0 • Adjustable power factor • Voltage drop (V) and percent (%) • Voltage at load • NEC 3% / 5% guidance reference Built for Real Work • Save and reload projects • Clean professional interface • Imperial & Metric support • No ads • No subscriptions One-Time Purchase Pay once. Use forever. Disclaimer Reference tool only. Always verify with local code requirements and AHJ.

Circuits is a free, interactive tool for analyzing 3-phase AC circuits. Built for electrical engineering students and professionals who need quick, accurate results. TAP. ENTER. CALCULATE. Tap any component on the interactive circuit diagram to enter values in rectangular or phasor form. Press Calculate to get complete results instantly. ALL FOUR CONFIGURATIONS Y-Y (Wye-Wye) Y-Delta (Wye-Delta) Delta-Y (Delta-Wye) Delta-Delta (Delta-Delta) COMPLETE ANALYSIS Source, line, and load voltages Line and phase currents Neutral current (Y-Y) Per-phase and total power (S, P, Q, PF) Interactive phasor diagram FLEXIBLE INPUT Balanced or unbalanced sources and loads Positive, negative, or custom phase sequences Source impedance, line impedance, and neutral impedance Rectangular (a + jb) or phasor (Mag angle) entry PRIVACY FIRST Runs entirely on your device. No account, no tracking, no data collection. Your values never leave your phone.