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.