Here’s our guide to the current ratings of commonly-used domestic appliances. For AC power supply, watts are equal to the power factor times amps times volts. 2A to watts calculation with voltage of 120V AC. For DC power supply, watts are equal to amps times volts.
Alternating current (AC) is used to supply things like houses, buildings and mains connected appliances. You can calculate (but not convert) the watts from amps and volts: 2A to watts calculation with voltage of 12V DC. Select a current type AC/DC, enter the amps, volts, and power factor, and the amps to watts converter will calculate the power result in watts. To calculate how many watts in 2.1 amps, multiply 2.1 amps by volts. However, in alternating current (AC) the electric current changes direction at 50 times per second (50 Hz or hertz) in the UK supply.Īn example of direct current would be a battery powered torch. 2.1 Amps to Watts to convert 2.1 amps to watts. For direct current (DC) the electric current flows only in one direction. The labels ‘AC’ and ‘DC’ are used to describe the types of current flow in a circuit. In terms of the hosepipe example, this would refer to the amount of water being released. The higher the wattage is, the more power and output from the appliance. WattsĪmps multiplied by Volts equals Watts, which is the measurement used to determine the amount of energy. The ampere is defined formally based on a fixed value for the elementary charge, e, of 1. In keeping with the earlier example, you could think of volts as the water pressure in the hosepipe, which makes the water flow. Definition: The ampere (symbol: A), often referred to as simply amp, is the base unit of electric current in the International System of Units (SI). Volts are the measurement used to determine how much force is needed to cause the electric current to flow. The more water flowing through the hosepipe, the stronger the current is. You should think of electric current as the flow of water through a hosepipe. What are Amps, Volts and Watts? AmpsĪmps measure the flow of electricity as an electric current.
2.4 AMPS TO WATTS HOW TO
Find out how to convert Watts to Amps here or how to calculate Ohm's Law here.
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