To calculate power, multiply voltage measured in ---- by ---- measured in amps.

To calculate power, you need to multiply voltage measured in volts by current measured in amps. The relationship between voltage, current, and power can be described using the formula:

Power (P) = Voltage (V) x Current (I)

Power is measured in units called watts (W), voltage is measured in units called volts (V), and current is measured in units called amperes or amps (A).