**Electric current in amps (A) to electric power in watts (W) calculator.**

Choose current type, input current(I) in amps, voltage(V) in volts, power factor(PF) for AC circuit and Click the Calculate button to obtain amps where DC = Direct Current, AC = Alternating Current

## How to convert electric current in amps (A) to electric power in watts (W)?

### amps to watts calculation formula in DC

**P(W) = I(amps) × V(volts)**

I=current I in amps (A)

V=the voltage V in volts (V)

So you can define watts are equivalent to amps times volts

**watt(P) = amps(I) × volt(V)**

**or**

**W = A × V**

**Let take one Example**

**Example#1**

Calculate the power utilization in watts(w) if the current is 5A and the voltage supply is 120V in a electrical circuit

Apply formula for the solution

P = 5A × 120V = 600W

### amps to watts calculation formula in AC single phase

P=The real power P in watts (W)PF=the power factor PF

I=the phase current I in amps (A)

V=the RMS voltage V in volts (V)

**P(Watts) = PF × I(amps) × V(volts)**

**watt(p) = PF × amps(I) × volt(v)**

**or**

**W = PF × A × V**

**Let's take one example**

**Example#2**

Find out the power utilization in watts(W) if the power factor(PF) is 0.8 and the phase current is 5A and the RMS(Root mean square) voltage supply is 120V?

Apply formula for the solution

P = 0.8 × 5A × 120V = 480W

### amps to watts calculation formula im AC three phase (amps to Watts calculation with line to line voltage)

P=The real power P in watts (W)PF=the power factor PF times

I=the phase current I in amps (A)

VL-L=the line to line RMS voltage VL-L in volts (V)

**P(Watts) = √3 × Power Factor × I(amps) × VL-L(volts)**

**watt(W) = √3 × PF × amps × volt(V)**

**or**

**W = √3 × PF × A × V**

**Let's take one example**

**Example#3**

Find out the power utilization in watts(W) If the power factor(PF) is 0.8 and the current is 5A and

the RMS(Root mean square) voltage supply is 120V?

Apply formula for the Solution

P = √3 × 0.8 × 5A × 120V = 831.36W

### Online Watts calculation with line to neutral voltage

P=The real power P in watts (W)PF=the power factor PF

I=the phase current I in amps (A)

VL-0=the line to neutral RMS(Root mean square) voltage VL-0 in volts (V)

**P(Watts) = 3 × PF × I(amps) × VL-0(volts)**

**watt(W) = 3 × PF × amps(I) × volt(V)**

**or**

**W = 3 × PF × A × V**

**Let's take one example**

**Example#4**

Find out the power utilization in watts(W) If the power factor(PF) is 0.8 and the current is 5A and

the RMS(Root mean square) voltage supply is 120V?

Apply formula for the Solution

watt(W) = 3 × .8 × 5A × 120V=1440W

Using Above example you can easily perform below conversion

**1 amp = watts****3 amps to watts****15 amps to watts**

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