## Volts to Amps calculation formula with watts

I_{(A)} = P_{(W)} / V_{(V)}

The current **I** in amps (A) is equal to the power **P** in watts (W), divided by the voltage **V** in volts (V).

So,

*A = W / V*

*amp = watt / volt*

**For example:**

*Power (P) = 330W*

*Voltage (V) = 110V*

*Current (I) = 330W / 110V = 3A*

## Volts to Amps calculation formula with ohms

I_{(A)} = V_{(V)} / R_{(Ω)}

The current **I** in amps (A) is equal to the voltage **V** in volts (V), divided by the resistance R in ohms (Ω).

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So,

*A = V / R*

*amp = volt / ohm*

**For example:**

*Voltage (V) = 45V*

*Resistance (R) = 15Ω*

*Current (I) = 45V / 15Ω = 3A*

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