**Power (Watts):** $ P\text{ (power in watts)} = V\text{ (voltage)} \times I\text{ (current in amps)} $ **Current (Amps):** $ I\text{ (current in amps)} = \frac{P\text{ (power in watts)}}{V\text{ (voltage)}} $ **Voltage (Volts):** $ V\text{ (voltage)} = \frac{P\text{ (power in watts)}}{I\text{ (current in amps)}} $