Professional Electrical Calculator & Diagnostic Tools
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The intelligent electrical calculator and diagnostic app for engineers and electricians. Get accurate voltage drop, power analysis, insulation testing, and current unbalance calculations in seconds.
Available for Android and iOS (coming soon)
Professional Electrical Diagnostic Tools in Your Pocket
Smart Interconnection
Change power values and the app automatically updates current and voltage drop across all modules. Zero retyping errors with our intelligent electrical calculator system that remembers your last session.
Accurate Voltage Drop Calculator
Precise ΔV% and ΔV (Volts) calculation using the Constant K Method. Ideal for single-phase and three-phase circuits with optional normative suggestions and automatic temperature correction.
Insulation Testing (PRO)
Professional insulation diagnostic tools including DAR (Dielectric Absorption Ratio), PI (Polarization Index), and temperature-corrected resistance calculations per IEEE 43 standards.
Why Professional Electricians Choose WattsWise
Calculation Accuracy
Professional-grade accuracy using industry-standard formulas with optional normative guidance.
Time Saving
Reduce calculation time with smart interconnected modules and automatic session persistence.
Mobile Access
Works perfectly on smartphones and tablets for on-site electrical calculations with offline capability.
Professional Tool
Engineering-level calculations using industry-standard formulas and validated methods.
Frequently Asked Questions
What electrical calculations can WattsWise perform?
WattsWise Electric Calculator performs voltage drop calculations, power analysis (P, Q, S, PF), insulation testing (DAR/PI), current unbalance analysis, short circuit calculations, energy consumption calculations, and cable size conversions (AWG ↔ mm²).
Is WattsWise suitable for professional electricians and electrical engineers?
Absolutely. WattsWise Electric Calculator is designed specifically for electrical engineers, master electricians, and electrical contractors who need accurate, reliable calculations for commercial and residential projects. It follows industry standards with optional normative guidance.
How accurate are the voltage drop calculations?
WattsWise Electric Calculator uses the Constant K Method for voltage drop calculations, providing precise ΔV% and ΔV (Volts) results. The app supports both single-phase and three-phase circuits.
What is insulation testing and how does it work in the app?
Insulation testing helps diagnose the condition of electrical insulation. The PRO version calculates DAR (R60s/R30s), PI (R10min/R1min), and temperature-corrected resistance per IEEE 43 standards, providing clear verdicts like "Good" or "Questionable".
Does the app support different electrical standards?
WattsWise Electric Calculator is designed to be agnostic to electrical standards. While it provides optional normative suggestions (NEC/IEC), the core calculations use universal electrical formulas, making it suitable for professionals worldwide regardless of local codes.
Is there a free version of WattsWise available?
Yes, WattsWise Electric Calculator offers a free version with core electrical calculation features including voltage drop, power analysis, and short circuit calculations. The PRO version includes advanced diagnostic tools like insulation testing, current unbalance analysis, and energy consumption calculations.