Use this tool for Volts (V) to amps (A) calculator.Choose the calculation type from drop-down list(with ohms or with watts),input volts(V) and input the watts or ohms and click the Calculate button to obtain the result

Select calculation Type:
volts: V
watts: W
Result (in amps): A






How to convert electrical voltage in volts (V) to electric current in amps (A)?

Volts to amps calculation In case of with watts

I=The current I in amps (A)
P=the power P in watts (W)
V=the voltage V in volts (V):

I(A) = P(W) / V(V)

So that you can define amps is equal to the power(p) in watts,divided by volts(V) in volts in the circuit.

amps = watt(W) / volt(V)

Let’s take an example
Example#1
Find out the current(I) in amps,where Power(P) is 240 watts and volts is 120(120 volts) in the circuit.
Using formula
I = 240W / 120V = 2A

Volts to amps calculation In case of with ohms

I=The current I in amps (A)
V=the voltage V in volts (V)
R=the resistance R in ohms (Ω):

I(A) = V(in Volts) / R(Ω)

So that you can define amps is equal to the volts(V) divided by the R in ohms of an electric circuit.

amps = volt(V) / ohm

or you can re-write formula like this

A = V / Ω

Let’s take an example
Example#2
Find out the electrical current(I),where  voltage is 12 volts and R is 4 ohms in the circuit
Apply formula for the solution(12 volts to amps)
I = 12V / 4Ω = 3A

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