# Amp Calculator

Ampere is the unit of electric current. It is one of the seven base units in SI system. It can also be termed as Amp or Amps. The symbol used to represent ampere is A. This online calculator is used to convert horsepower, kilowatts, kilovolts ampere to ampere. Enter the type of conversion from the select box and enter the necessary inputs to find the amps.

Ampere is the unit of electric current. It is one of the seven base units in SI system. It can also be termed as Amp or Amps. The symbol used to represent ampere is A. This online calculator is used to convert horsepower, kilowatts, kilovolts ampere to ampere. Enter the type of conversion from the select box and enter the necessary inputs to find the amps.

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#### Ampere Formula:

**Using Horsepower, **
A = ( h * 746 ) / ( v * e ) ( For, Direct Current )
A = ( h * 746 ) / ( v * e * p ) ( For, Single Phase AC )
A = ( h * 746 ) / ( v * e * p * 2 ) ( For, Two Phase AC )
A = ( h * 746 ) / ( v * e * p * 1.73 ) ( For, Three Phase AC )
**Using Kilowatts, **
A = ( kw * 1000 ) / ( v ) ( For, Direct Current )
A = ( kw * 1000 ) / ( v * p ) ( For, Single Phase AC )
A = ( kw * 1000 ) / ( v * p * 2 ) ( For, Two Phase AC )
A = ( kw * 1000 ) / ( v * p * 1.73 ) ( For, Three Phase AC )
**Using Kilovolts Ampere, **
A = ( kva * 1000 ) / ( v ) ( For, Single Phase AC )
A = ( kva * 1000 ) / ( v * 2 ) ( For, Two Phase AC )
A = ( kva * 1000 ) / ( v * 1.73 ) ( For, Three Phase AC )
**Where,**
A = Ampere
kva = Kilovolt-Amp
v = Voltage
p = Power Factor
e = Efficiency
h = Horsepower
kw = Kilowatts

#### Example

**1. If the horsepower is 12, voltage 15, efficieny is 10 and power factor is 1, for a single phase AC **

A = ( 12 * 746 ) / ( 15 * 10 * 1 )

= 59.68

Therefore, the Ampere is 59.68

**2. For a Two phase AC, if the kilowatts is 12, voltage is 15 and power factor is 1, then **

A = (12 * 1000 ) / ( 15 * 1 * 2 )

= 400

Therefore, the Ampere is 400

**3. For a Three Phase Ac, if the Kilowatts Amp is 12 and Voltage is 15, then **

A = ( 12 * 1000 ) / ( 15 * 1.73 )

= 462.43

Therefore, the Ampere is 462.43