# ELECTRICAL

• mAh Battery Life Calculator calculator to estimate the how long the charge in the battery will last based on the average power consumption of device.
• Star to Delta (Y to Δ) Resistance Converter calculator to find the equivalent resistance in delta circuit connection from the resistance in star circuit connection.
• Delta to Star (Δ to Y) Resistance Converter calculator to find the equivalent resistance in star circuit connection from the resistance in delta circuit connection.
• Solar Panel Power Calculator calculator to find the output voltage, current, power efficiency, area of solar panel units connected in series or parallel.
• kVA Calculator calculator to find the voltage,current or kVA of single or three phase power transmission lines.
• kVA, KW and HP Converter kVA, KW and HP converter to perform the conversion between kilovolt-ampere, kilo-watts and horsepower.
• Terminal Voltage Magnitude Calculator calculator to find the magnitude of terminal voltage of lossless transmission line or medium.
• Wavelength Calculator calculator, formula, step by step calculation & solved example problems to find the wavelength of the lossless transmission line.
• Propagation Constant Calculator calculator, formula, step by step calculation & solved example problem to find the change of wave amplitude in the transmission line.
• Reflection Coefficient Calculator calculator, formula, step by step calculation & solved example problem to find how much of an electrical wave reflected by an impedance discontinuity in the transmission line.
• Characteristic Impedance Calculator calculator, formula, step by step calculation & solved example problem to find the characteristic impedance of the lossless transmission line.
• Standing Wave Ratio Calculator calculator, formula, step by step calculation & solved example problem to find the ratio of load impedance matching to the transmission line.
• Number of Poles Calculator calculator, formula, step by step calculation & solved example to find the number of poles required for an AC induction motor to attain a certain synchronous speed.
• Induction Motor Slip Calculator calculator, formula, step by step calculation & solved example problem to find the slip difference of an AC induction motor.
• Synchronous Speed (Ns) Calculator calculator, formula, step by step calculation & solved example problem to determine the synchronous speed of an AC induction motor.
• DC Motor Armature Voltage Calculator calculator, formula, step by step calculation & solved example problem to determine the armature voltage of DC motor.
• DC Motor Mechanical Power Calculator calculator, formula, step by step calculation & solved example problem to find the mechanical power produced by a DC motor.
• DC Motor Mechanical Torque Calculator calculator, formula, step by step calculation & solved example problem to find the mechanical torque produced by a DC motor.
• Electromagnetic Field Flux (EMF) Calculator calculator, formula, step by step calculation & solved example problem to determine the strength of the electro-magnetic field flux generated by a DC motor.
• Speed to Horsepower Calculator calculator and formula to determine the equivalent output in horsepower for the given input values of speed in RPM.
• Torque to Horsepower Converter calculator and formula to determine the equivalent output in horsepower for the given input values of torque in N.m.
• Horsepower to Torque Calculator calculator and formula to determine the equivalent output in torque for the given input values of horsepower in hp.

## Electrical Engineering Calculators

Electrical engineering calculators - formulas to calculate voltage, current resistance, power, capacitance, inductance, kVA, battery life etc to design, develop and maintain the electrical and electronics circuits. The main objective of these electrical engineering calculators is to assist students, professionals and researchers to perform, understand or verify the electrical engineering calculations as swift as possible.