A kilowatt-hour (kWh) is a unit of energy representing the consumption of one kilowatt (1,000 watts) over the span of one hour. To convert kWh to watts, you can use the formula: P(W) = 1,000 × E(kWh) / t(hr), where P is power in watts, E is energy in kilowatt-hours, and t is time in hours. For example, if an appliance uses 2 kWh of energy over 4 hours, the average power consumption would be 500 watts. Understanding this conversion is essential for accurately assessing electrical power usage and managing energy consumption effectively.