Electrical Calculations vs Electrical & Solar Calculator

Electrical Calculations is the PROFESSIONAL app for those who work with electrical systems every day: design, size and verify in just seconds, from the job site or the office. Over 200 calculations, diagrams, formulas and tables in a single app, with clear, printable PDF reports to attach to your documents. Designed for electricians, installers, designers and surveyors, it saves you time and helps you avoid mistakes: from cable sizing to short circuit. COMPLIANT WITH STANDARDS Reliable results aligned with the main standards: IEC (International Electrotechnical Commission), CEI (Italian Electrotechnical Committee), NEC (National Electrical Code), CEC (Canadian Electrical Code). WHY CHOOSE IT SAVE TIME: the calculations you'd do by hand, instantly available here. AVOID ERRORS: verified formulas and up-to-date regulatory parameters. PROFESSIONAL REPORTS: PDF reports ready for printing and archiving. ALWAYS WITH YOU: over 200 tools including calculations, converters, tables and pinouts. THE MOST USED CALCULATIONS Cable sizing and coordination with the protective device, voltage drop, operating current, current intensity, voltage and power (active, reactive, apparent). Power factor and power factor correction. Current capacity of conductors and busbars, sizing of conduits and trunking, maximum cable length. SHORT CIRCUIT AND PROTECTION Short-circuit current at a point on the line, earthing system and coordination with the residual current device, cable protection against short circuit (K²S²), power loss, cable temperature, neutral current. ELECTRIC MOTOR Motor current, power, voltage, efficiency and power factor, slip, speed, maximum torque and full-load current. Three-phase motor connection diagrams, terminal markings. Three-phase to single-phase. ELECTRONICS Color and alphanumeric codes for resistors, capacitors and inductors, SMD code, LED resistor, voltage and current divider, Zener diode, battery life, resonant frequency, fuses and transformers. CONVERSIONS Delta-star, AWG, SWG, cross-section, length, energy, temperature, pressure, Ah/kWh, var/µF, Gauss/Tesla, RPM and many more. RESOURCES AND TABLES Tripping curves, cable reactance and resistivity, cable dimensions and weight, distribution systems (TT, TN, IT), IP/IK/NEMA protection ratings, ATEX marking, insulation classes, electrical symbols, ANSI device codes, plugs and sockets, IEC 60309, NEMA and EV charging connectors, SI prefixes and units of measurement, thermistors and thermocouples. PINOUTS Ethernet RJ-45, Ethernet with PoE, USB, HDMI, VGA, DVI, RS-232, FireWire, SATA, DisplayPort, Apple Lightning, Raspberry Pi, OBD II, XLR audio/DMX, MIDI, Jack, RCA, Thunderbolt, SD Card, SIM Card and LED. Stop searching everywhere for formulas and tables: PUT YOUR ENTIRE ELECTRICAL LAB IN YOUR SMARTPHONE. Download Electrical Calculations and work faster, with standards-compliant results. Terms of service (EULA): https://www.egalnetsoftwares.com/terms_of_service_app/

Electrical & Solar Calculator brings essential electrical engineering, wiring, and solar design tools together in one practical app. Designed for electricians, electrical engineers, solar installers, technicians, students, and DIY enthusiasts, it helps you calculate wire sizes, voltage drop, circuit breaker ratings, transformer capacity, motor current, and solar system requirements—without switching between multiple calculators. ELECTRICAL WIRING & INSTALLATION • Wire & Cable Sizing — Estimate conductor sizes using load, current, voltage, distance, and installation parameters. • Voltage Drop — Calculate voltage drop for electrical cables and assess circuit performance. • Circuit Breaker Sizing — Estimate protective device ratings for electrical loads. • Cable Ampacity — Evaluate current-carrying capacity. • Conduit Fill — Calculate conduit requirements for cable installations. • Earthing & Busbar Tools — Perform practical grounding and busbar sizing calculations. • Short-Circuit Calculations — Estimate fault-current parameters for electrical analysis. SOLAR POWER & BATTERY SYSTEMS • Solar Panel Sizing — Estimate PV capacity based on energy needs. • PV String Calculator — Evaluate solar panel series and string configurations. • Battery Bank Sizing — Calculate battery storage requirements. • Inverter Sizing — Estimate suitable inverter capacity for connected loads. • Charge Controller Calculations — Support solar charge controller planning. • Solar Cable Sizing — Calculate cable requirements and voltage drop for solar installations. Useful for off-grid systems, home solar projects, and battery backup planning. MOTORS, TRANSFORMERS & POWER • Motor Calculations — Work with motor current, power, horsepower, and efficiency. • Transformer Sizing — Calculate kVA, voltage, current, and power requirements. • Power Factor Correction — Estimate capacitor requirements. • Load & Energy Calculations — Evaluate power consumption and energy costs. • Lighting & Distribution — Access lighting calculations and distribution board load scheduling. ELECTRICAL CIRCUITS • Resistors — Series, parallel, and combination networks. • Capacitors — Series, parallel, and combination networks. • Inductors — Series and parallel networks. • RC, RL & RLC — Analyze common electrical circuits. • Star–Delta Conversion — Convert between star and delta networks. HANDY ELECTRICAL CONVERSIONS Convert common electrical quantities, including watts and horsepower, VA and W, reactive power, and AWG and mm². Select supported metric or imperial units where applicable. WHY CHOOSE ELECTRICAL & SOLAR CALCULATOR? • Wiring, protection, power, circuits, and solar design tools in one place. • Straightforward inputs and easy-to-read results. • Useful on-site, in the classroom, and during project planning. • Practical calculators for residential, commercial, and solar electrical work. From sizing a cable to planning a solar battery bank, Electrical & Solar Calculator helps you work more efficiently and make informed design decisions. Important: Always verify results against applicable electrical codes, manufacturer specifications, and professional installation requirements before carrying out electrical work.