Volts to Amps

Welcome to volts to amps, our website about the conversion of voltage (V) in volts to the electric current (I) measured in amperes (“amps”).

To change voltage to amperage we can either apply Ohm’ law which is I = V / R; R is the resistance of an electrical conductor measured in ohm. Or we use the formula I = P / V; P is the electrical Power in watt.

Read on to learn all about it. 🙂


W or Ω?

The unit symbols for these SI base or derived units are as follows: V for volts, A for amperes, Ω for ohm and W for watt. Thus, we can write the formulas as I(A) = V(V) / R(Ω) = P(W) / V(V). This essentially means that there are two different ways to convert volts to amps, and that we have to either use ohm or watt as there is no direct relationship between volts and amps.

Convert Volts to Amps

As follows from the introduction, we can determine the amps using the power or the resistance. In other words, either the watts or the value in ohm must be known to get volts in amps.

Change Volts to Amps with Watts

To answer how many amps in a volt by means of watt use I(A) = P(W) / V(V), dividing the power by the voltage. For example, assumed V = 100 V and P = 60 W we obtain I = 60 / 100 = 0.6 A.

Change Volts to Amps with Ohm

To answer how many amps in a volt by means of ohm use I(A) = V(V) / R(Ω), dividing the voltage by the resistance. For example, assumed V = 100 V and R = 40 Ω we obtain I = 100 / 40 = 2.5 A.

In any case, it is advisable to use our converter in the next section.

About our Volts to Amps Calculator

To use our app near the top of this page enter your voltage in the first field. Next, decide between ohm or watt. Then insert the value of the chosen unit to receive your result instantaneously.

To start over, simply overwrite your entries. Alternatively, you may hit the reset button. Here you find everything about amps to volts, including the formulas and a converter.

Note that you may also locate many voltage to amperage conversions using our search entry in the header menu or the form placed in the sidebar throughout our site.

The page which then opens contains links to posts relevant to your query.

BTW: Frequent conversions in this category include, for example:

Ahead is the concluding part of this article with the summary.

How many Amps in a Volt?

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The image below sums our content up:

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– Article written by Mark