The "calculator" is IoTaWatt's simple interface for creating scripts to combine and export data. You specify the units to calculate (Amps, Watts, Volts etc.) and then enter the function to calculate the value. It's as easy as using a basic four-function calculator. Three Phase Capability...
Please note that both methods will only give you an approximation of your power needs. There are many factors that can affect power usage, including how much strain you're putting on your system and what kind of environment your PC is in. So, it's always a good idea to be generous wit...