With the Volt Watt Ampere Converter you can convert the electrical voltage, the amperage and the electrical power watt into the other two. The result is calculated using the formula for electrical power, and the calculation is explained in detail. You can find a lot of additional information and calculators on our guide pages Calculate Volts, Calculate Amperes and Calculate Watts.

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The most important topics on the Volt/Watt/Ampere Converter

General information on voltage, amperage and wattage

Voltage (volts), current (amperes) and power (watts) are important concepts in electrical engineering. Voltage refers to the force that drives
electrons in a circuit. One can therefore also speak of the force of the individual electrons. If you imagine a water hose, the voltage is
comparable to the water pressure that drives the water through the hose. If you imagine a river, you can also compare the voltage with the
gradient of the river.

Current (amperage) is the amount of electrons that flow through a circuit per second. This can be thought of as the amount of water flowing through the hose or river. The unit for amperage is the ampere.

Power (wattage) refers to the work done in a system. Taking the water example again, power is the amount of water that flows through the hose in a given time. In electrical engineering, power is measured in watts.

When voltage and amperage are increased, power also increases. This is similar to a water hose, in which higher voltage and amperage cause
more water to flow through the hose.

Please enter the electrical voltage in volts.
If you have an indication in millivolts (mV), you must first multiply this value by 1000 to convert it into volts.
The voltage is indicated in volts in the international system of units and has the unit symbol "V".
The electrical voltage has the formula symbol "U" (from Latin urgere: to urge, to press).

Please enter the amperage in amperes.
If you have an entry in milliamps (mA), you must first multiply this value by 1000 to convert it to amperes.
The current strength is indicated in the international system of units in amperes and has the unit symbol "A".
The current intensity has the formula symbol "I" (from the French intensité du courant).

Please enter the electrical power in watts.
If you have an indication in milliwatts (mW), you must first multiply this value by 1000 to convert it into watts.
If you have a value in kilowatts (kW), you must first divide this value by 1000 to convert it into watts.
In the international system of units, electrical power is given in watts and has the unit symbol "W".
The electrical power has the formula symbol "P" (from English power).