Watt – unit of measure of the electrical power applied in a circuit.
The concept is similar to water pressure. One volt is the amount of pressure required to cause one ampere of current to flow against one ohm of resistance.
Volt – unit of measure of the electrical force or pressure which causes an electricity current to flow in a circuit.
Here are some useful electrical terms related to calculating volts to watts, watts to amps, and volts to amps. In the above calculator, the installer will enter a value of 24 in the volts field and a value of 50 in the watts field. For example a 24VAC50 power supply is 24 volt, 50 volt-amps (watts are also known as volt-amps). Typically, 24V AC power supplies have VA (voltage amps) ratings and not amps. They first need to calculate how many amps a 24V AC power supply outputs. The installer needs to calculate the distance that a power cable can be run from a security camera DVR to a CCTV camera, HD security camera, and even one of the latest UHD 4K security cameras. Here is one example of how this calculator is commonly used by security system installers as an amp calculator. The formula to convert amps to watts at a fixed voltage is: watts = amps x volts. The formula to convert volts to amps at a fixed wattage is: amps = watts / volts. The formula to convert watts to amps at a fixed voltage is amps = watts / volts. The formula to convert voltage to watts is watts = amps x volts. Click Calculate.Įxample 2: To convert watts to amps for a 12V DC 500mA power supply, enter 12 volts and. Convert / CalculateĮxample 1: To convert volts to amps for a 24V VA50 power supply, enter 24 volts and 50 Watts. This tool can convert any value as long as you enter the two other values. The calculator works by filling in any of two of the three fields (volts amps watts) to calculate the value of the third field. Our online calculator / conversion tool can convert watts to amps, volts to watts, and volts to amps.
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