What's New

- minor update to fix an issue, with popups.

App Description

The App Electrical Calculator - lite consists of 62 Calculators related to Electrical Engineering with formulas and multiple Units.supports both USCS and SI Units of measure.
1.Voltage Calculator
2.Current Calculator
3.Resistance Calculator
4.Power Calculator
5.kVA to amps (Single Phase)
with Formula & Multiple Units.
More Calculators available for in-App Purchase :
- Voltage Drop Calculator
6.kVA to amps (Three Phase)
7.amps to kVA (Single Phase)
8.amps to kVA (Three Phase)
9.Single Phase Power Calculator
10.Three Phase Power Calculator
11.Single Phase Current Calculator
12.Three Phase Current Calculator
13.DC Horse Power
14.Single Phase Horse Power
15.Three Phase Horse Power
16.DC Current (HP)Calculator
17.Single Phase Current (HP) Calculator
18.Three Phase Current (HP) Calculator
19.Efficiency (DC) Calculator
20.Efficiency (Single Phase) Calculator
21.Efficiency (Three Phase) Calculator
22.Power Factor (Single Phase) Calculator
23.Power Factor (Three Phase) Calculator
24.Luminous Intensity Calculator
25.Luminous Flux Calculator
26.Solid Angle Calculator
27.Energy Cost Calculator
28.Energy Storage (Resistance) Calculator
29.Energy Storage (Inductance) Calculator
30.Energy Storage (Capacitance) Calculator
31.Star to Delta Conversion
32.Delta to Star Conversion
33.Inductive Reactance Calculator
34.Capacitive Reactance Calculator
35.Resonant Frequency Calculator
36.Inductor Sizing Equation
37.Capacitor Sizing Equation
38.Resistance (Series) Calculator
39.Resistance (Parallel) Calculator
40.Inductance (Series) Calculator
41.Inductance (Parallel) Calculator
42.Capacitance (Series) Calculator
43.Capacitance (Parallel) Calculator
44.UnKnown Resistance (Series) Calculator
45.UnKnown Resistance (Parallel) Calculator
46.UnKnown Capacitance (Series) Calculator
47.UnKnown Capacitance (Parallel) Calculator
48.Neutral Current (3Ph) Unbalanced Loads
49.Characteristic Impedance (parallel)
50.Characteristic Impedance (coaxial)


• Impedance of Resistor and Inductor in series

• Impedance of Resistor and Inductor in parallel


• Impedance of Resistor and Conductor in series

• Impedance of Resistor and Conductor in parallel

• Impedance of Inductor and Conductor in series

• Impedance of Inductor and Conductor in parallel

• Impedance of R, L & C in series

• Impedance of R, L & C in parallel.

a.Change unit from amps to milliAmps or vice versa, the output Voltage is calculated instantly
b.Changes can be made to input units
c.Changes can be made to output units.

iPhone Screenshots

(click to enlarge)

Electrical Calculator lite screenshot 1 Electrical Calculator lite screenshot 2 Electrical Calculator lite screenshot 3 Electrical Calculator lite screenshot 4 Electrical Calculator lite screenshot 5

iPad Screenshots

(click to enlarge)

Electrical Calculator lite screenshot 6 Electrical Calculator lite screenshot 7 Electrical Calculator lite screenshot 8 Electrical Calculator lite screenshot 9 Electrical Calculator lite screenshot 10

App Changes

  • October 14, 2014 Initial release
  • October 23, 2014 New version 1.2
  • September 16, 2015 New version 2.0
  • November 05, 2016 New version 2.1
  • June 13, 2019 New version 5.5
  • August 16, 2019 New version 5.7
  • August 28, 2019 New version 6.0
  • January 26, 2021 New version 7.0
  • August 05, 2021 New version 7.1
  • September 16, 2023 New version 7.4