Electrical calculations PRO v5.1.3

Electrical calculations PRO v5.1.3 | 5,8 MB
Requirements: Android 2.3+
The best electrical calculations always at hand for any electrician!


Wire size
Calculation of voltage drop
Calculation of current
Calculation of voltage
Calculation of active power
Calculation of apparent power [PRO]
Calculation of reactive power [PRO]
Calculation of resistance
Motor from three-phase to single-phase
Capacitor start motor single-phase [PRO]
Calculation rpm motor [PRO]
Motor efficiency [PRO]
Maximum torque [PRO]
Diagram three-phase motor (6 leads)
Diagram three-phase motor (9 leads) [PRO]
Diagram three-phase motor (12 leads) [PRO]
Code resistors 4 colors
Code resistors 5-6 colors [PRO]
Color code inductor [PRO]
Colors resistor from value
SMD resistor code [PRO]
Fuses [PRO]
Sum resistors
Sum capacitors [PRO]
Conversion Δ-Y [PRO]
Conversion HP/KW
Table AWG/mm²
Conversion of section
Conversion cm/inch
Conversion length [PRO]
Conversion voltage (Amplitude) [PRO]
Conversion sin/cos/tg/φ [PRO]
Conversion energy [PRO]
Conversion temperature [PRO]
Conversion pressure [PRO]
Conversion Ah / kWh [PRO]
Conversion Gauss / Tesla [PRO]
Conversion RPM - rad/s - m/s [PRO]
Reactance [PRO]
Impedance [PRO]
Resonant frequency [PRO]
Voltage divider [PRO]
Zener diode as voltage stabiliser [PRO]
Resistance to reduce voltage
Resistance for led
Power factor correction [PRO]
Power factor correction of small loads [PRO]
Power factor correction of transformer MV/LV [PRO]
Battery life [PRO]
Primary/Secondary winding of transformer
Short circuit current [PRO]
Short circuit current with transformer substation [PRO]
Current carrying capacity IEC [PRO]
Current carrying capacity NEC [PRO]
Conductor resistance [PRO]
Table of cables reactance IEC [PRO]
Table of cables reactance NEC [PRO]
Table of resistivity [PRO]
IP/IK/NEMA protection classes
Antenna length [PRO]
Electrical symbols
Electricity around the world
Joule Effect [PRO]
Wiring color codes
SI Prefix
Unit of measurement
Fault current of strings [PRO]
Ethernet wiring (RJ-45) [PRO]
Pinout Ethernet with PoE [PRO]
RJ-11,14,25,48 [PRO]
Pinout Scart [PRO]
Pinout USB [PRO]
Pinout HDMI [PRO]
Pinout VGA [PRO]
Pinout DVI [PRO]
Pinout RS-232 [PRO]
Pinout FireWire (IEEE1394) [PRO]
Pinout molex [PRO]
Pinout Sata [PRO]
Pinout Apple Lightning [PRO]
Pinout Apple Dock Connector [PRO]
Pinout PS/2 [PRO]
Fiber optic color code [PRO]
Pinout led [PRO]
Pinout Raspberry PI [PRO]
Pinout ISO 10487 (Car audio) [PRO]
Pinout XLR (Audio/DMX) [PRO]
Formulary [PRO]


- English (V.Ragona)
- Italiano (E.Gallina)
- Français (Y.Tschantz)
- Español (M.Rodriguez)
- Portuguese (BR) (J.Machacaz, M.Carvalho, P.Pepeleascov, A.Fraga)
- Arabic (G.Al_dahab, A.Qaissia)
- Polish (RaV, K.Szuba)
- Deutsch (D.Maggi, C.Ruffino, na2xs2y, JoHa)
- Greek (T.Pergantis)
- Latvian (W.Dzerins)
- Romanian (L.Voica, C.Duta, L.Petre)
- Turkish (E.HARMANBASI, B.Aydogdu)
- Russian (L.Tsvetinovich, V.Bolshakov, Djek.Energetik)
- Dutch (I.Proshel, R.Wintersteijn)
- Magyar (O.Csaba)
- Croatian (P.Razovic)
- Malay (N.Afdhal)
- Persian (B.Eskandariun, A.Tahmasebi, B.Lashgari TJ., R.Taherizadeh)
- Lithuanian (A.Kalasunas)
- Simplified Chinese (X.Cao)
- Serbian (Latin) (S.Fisic, V.Cvijovic, V.Lazarevic)
- Portuguese (PT) (L.Sousa)
- Czech (Skipy)
- Vietnamese (N.Duy Trung)
- Catalan (R.Vila, L.Martin Leona, antoine.nom36)
- Norwegian (drzordz)
- Bulgarian (I.Malinov)
- Swedish (J.Olandersson)
- Traditional Chinese (EricLee, J.Enrique Gutierrez)
- Slovenian (S.Veternik)
- Ukrainian (R.Korzh)
- Hebrew (R.keller)

- Add: Choice unipolar/multipolar cable into the "Calculation of voltage drop", "Max wire length" and "Short-circuit current"
- Add: Number of phase conductors in parellel into the "Calculation of voltage drop" and "Short-circuit current"
- Add: Formula for choice wire size
- New: Layout for tables of results
- Fix: Visualization of the formula into "Sizing the circuit breaker" NEC
- Fix: Bug 8bit request code
- Imp: Improved notification for the insertion of incorrect values
- Add: Danish language (by Esben Dahl)
- Upd: Portuguese [PT] language (by Leandro Sousa)
- Upd: Romanian language (by Silvian Ionescu)
- Upd: Traditional Chinese language (by Siu Wing Chung)
- Upd: Greek language (by Andrea Agates)
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