Electrical Calculations is the best app in the electrical sector, it has many calculations that can help you in your work. It can not miss in your smartphone!

Wire size
Calculation of voltage drop
Calculation of current
Calculation of voltage
Calculation of active power
Calculation of apparent power
Calculation of reactive power
Calculation of power factor
Calculation of resistance
Maximum wire length
Current carrying capacity of insulated conductors
Current carrying capacity of bare conductors
Current carrying capacity of busbar
Conduit fill
Sizing the circuit breaker
Admissible let-through energy of the cable (K²S²)
Operating current
Reactance
Impedance
Power factor correction
Power factor correction of transformer MV/LV
Capacitor power at different voltage
Earthing system
Short circuit current
Short-circuit current min (approximate method)
Short circuit current with transformer substation
Conductor resistance
Calculation of the cable temperature
Power losses in cables
Resistor color code
Inductor color code
Resistor colors from value
SMD resistor code
Capacitor code
Inductor code
Fuses
Sum resistors
Sum capacitors
Resonant frequency
Voltage divider
Current divider
Zener diode as voltage stabiliser
Resistance to reduce voltage
Resistance for led
Battery life
Primary/Secondary winding of transformer
Antenna length
CCTV Harddrive/Bandwidth calculator
Temperature sensors (PT/NI/CU, NTC, Thermocouples…)
Analog signal values
Joule effect
Fault current of strings
Risk assessment of overvoltages with atmospheric origin
Motor current
Motor power
Motor voltage
Motor power factor
Motor efficiency
Motor from three-phase to single-phase
Capacitor start motor single-phase
Motor speed
Motor slip
Maximum torque
Motor full-load current
Diagrams of the three-phase motor
Insulation class of the motor
Δ-Y conversion
Power conversion
AWG/mm² conversion table
SWG conversion table
Section conversion
Length conversion
Voltage (Amplitude) conversion
sin/cos/tan/φ conversion
Energy conversion
Temperature conversion
Pressure conversion
Ah - kWh conversion
VAr / µF conversion
Gauss - Tesla conversion
RPM - rad/s - m/s conversion
Torque conversion
Byte conversion
Angle conversion
Fuses application categories
UL/CSA fuse class
Standard resistor values
Tripping curves
Table of cables reactance
Table of resistivity and conductivity
Table of unitary voltage drop
Dimensions and weight of cables
IP/IK/NEMA protection classes
Atex marking
Appliance classes
CCTV resolutions
Thermocouple colour codes and data
ANSI standard device numbers
Electrical symbols
Electricity around the world
Plug and socket types
IEC 60320 connectors
C-Form Sockets (IEC 60309)
Nema connectors
Wiring color codes
SI Prefixes
Units of measurement
Pipes dimensions
Ethernet wiring (RJ-45)
Pinout Ethernet with PoE
RJ-9,11,14,25,48
Pinout Scart
Pinout USB
Pinout HDMI
Pinout VGA
Pinout DVI
Pinout RS-232
Pinout FireWire (IEEE1394)
Pinout Molex
Pinout Sata
Pinout Apple Lightning
Pinout Apple Dock Connector
Pinout DisplayPort
Pinout PS/2
Fiber optic color code
Pinout led
Pinout Raspberry PI
Pinout ISO 10487 (Car audio)
Pinout OBD II
Pinout XLR (Audio/DMX)
Pinout MIDI
Pinout Jack
Pinout Thunderbolt
Pinout SD Card
Pinout Sim Card
Pinout display LCD 16x2
Formulary


App multilanguage: Arabic, Bulgarian, Catalan, Croatian, Czech, Danish, Deutsch, Dutch, English, French, Greek, Hebrew, Italian, Korean, Latvian, Lithuanian, Macedonian, Magyar, Malay, Nepali, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Serbian (Latin), Simplified Chinese, Slovenian, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian, Vietnamese.

Full translators list: https://www.gallinaettore.com/android_apps/electrical_calculations/#languages



Kindly don't use the Evaluation System for reporting bugs. Instead, please contact me directly.




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FAQ: https://www.gallinaettore.com/android_apps/faq-en/

Recent changes:
v7.5.2:
* Fix: Installation method in "Calculation of the cable temperature"
* Fix: Crash with invalid parameter in "Calculation of the cable temperature"
* Fix: ViewPager
* Fix: Print of "Standard resistor values"
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Portuguese [BR] language (by Elder Henrique de Souza)
* Upd: Czech language (by Skipy)
* Upd: Indonesian language (by Andarinyo)
* Fix: Minor bugfix