Cost of Electrical Power

Flashcards covering the formula and unit conversions for calculating the cost of electrical power.

Cost of Electricity Formula

$$\text{Cost} = \text{Power rating} \times \text{Time} \times \text{Unit Price}$$

Power Rating

Measured in $\text{kW}$; if given in $\text{W}$, convert to $\text{kW}$ by dividing by $1000$

Time (Cost Calculation)

Measured in hours; if given in minutes, convert to hours by dividing by $60$

Unit Price

Measured in rands (e.g., $R1,20$ or $R0,80$)