Electrical Calculations
Cable sizing & capacity
Free · In-App Purchases · Designed for iPad
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/
* New: Analog signals with 0-5 V, 1-5 V and 2-10 V ranges
* New: Added type C and A thermocouples
* New: Added SI prefixes ronna, quetta, ronto and quecto
* Fix: In the IEC current-carrying capacity calculation, buried installations (D1/D2) now use the derating factors from tables B.52.18 and B.52.19
* Fix: CEI cable sizing and cable temperature for spaced single-core cables (installation methods 13–16)
* Fix: NEC and CEC calculations now apply the rules for grouped conductors, parallel conductors and small conductor protection
* Fix: Voltage drop with distributed loads in three-phase and two-phase (also in cable sizing)
* Fix: CEC cable-protection coordination: in free air the 70%/85% limit applies to conductors only (Rule 8-104)
* Fix: Design current: efficiency and voltage always applied
* Fix: Conduit and trunking sizing: CEC sizes from 500 kcmil now match the tables
* Fix: Minimum Isc and maximum length: B/C/D magnetic trip thresholds and parallel conductors
* Fix: Maximum cable length (ΔV): the cable type (single-core/multi-core) is now taken into account
* Fix: Correct resistor colors for 8.2 Ω and other standard values, and the standard values table no longer shows 8.19 Ω
* Fix: Motor calculations and design current: efficiency is no longer applied to power in VA and var
* Fix: Correct busbar ampacity with temperature rise above 30 °C and with painted bars wider than 50 mm
* Fix: Busbar ampacity: the suggested spacing is the bar thickness, with its unit of measure
* Fix: SMD resistor and capacitor codes: invalid codes now show an error instead of a wrong value
* Fix: Improved capacitor code decoding: voltages, tolerances and new formats
* Fix: Conversion accuracy
* Fix: Bare conductor ampacity: no crash when changing installation method (CEI) and correct temperature factors (NEC)
* Fix: Specific energy K²S²: correct IEC values for PVC above 300 mm²
* Fix: Parallel impedance: the correct value is now calculated
* Fix: Reactance: the capacitance calculation asks for the frequency again
* Fix: Power factor correction: correct capacitance when the capacitor rated voltage differs from the supply voltage
* Fix: Earthing system: mesh calculated from sides a and b
* Fix: Correct power losses with distributed loads
* Fix: Fuses: 4-band code per IEC 60127 and corrected data for Neozed, NH and automotive fuses
* Fix: LED resistor: in parallel the value is calculated for each LED as shown in the diagram
* Fix: Battery life: correct runtime with depth of discharge below 100%
* Fix: CCTV: storage and bandwidth in SI units (decimal GB/TB and Mbit/s), added AV1 and up to 60 fps
* Fix: Temperature sensors: corrected type K thermocouple voltage, PT/CU temperatures below 0 °C and entry of negative voltages
* Fix: Joule effect: time accepts decimals
* Fix: Single-phase motor run capacitor calculation
* Fix: Motor NEC FLC now matches the tables at 230/460 V and at 120/240/480 V system voltages
* Fix: AWG table up to 2000 kcmil, more accurate SWG diameters and corrected imperial/metric comparison
* Fix: Angle and RPM conversions: no more 60'' seconds, radius required for linear speed
* Fix: Corrected E192 standard values and Class G fuse voltage; added battery fuses (IEC 60269-7)
* Fix: Resistivity table: corrected nickel, zinc, constantan and nichrome values
* Fix: Cable dimensions and weight: wrong diameters and weights corrected
* Fix: Degree of protection: IP digit 0 is back (IP20, IP40…), IK01 = 0.14 J and NEMA → IP equivalents per NEMA 250
* Fix: ATEX marking: added current protection codes; ethanol in group IIB
* Fix: Correct names in CCTV resolutions
* Fix: Electricity around the world: removed obsolete 110/127 V networks and corrected the sockets of several countries
* Fix: C-Form sockets: correct voltages for 5-pin sockets and poles for 12h sockets
* Fix: NEMA connectors: three-phase series now shown (3Ø 250 V, 3ØY 120/208 V)
* Fix: Wiring color codes: IEC DC negative conductor is white (IEC 60445:2021)
* Fix: EV connectors: Tesla
The developer, Egal Net di Ettore Gallina, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
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Information
- Provider
- Egal Net di Ettore Gallina
- Size
- 58.3 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 51 more
- English, Afrikaans, Albanian, Arabic, Azerbaijani, Bengali, Bosnian, Bulgarian, Burmese, Cambodian, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Macedonian, Malay, Mongolian, Nepali, Norwegian Bokmål, Persian, Polish, Portuguese, Romanian, Russian, Serbian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Tamil, Thai, Traditional Chinese, Turkish, Ukrainian, Uzbek, Vietnamese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- PRO Version (1 year) £5.99
- PRO Version (3 months) £2.99
- Copyright
- © 2013 Egal Net di Ettore Gallina