An electricity bill calculator is a valuable tool that enables users to estimate their monthly energy expenses by considering factors such as appliance power consumption, usage duration, and local electricity rates. By inputting the wattage of household devices and their daily operational hours, individuals can determine their daily and monthly energy consumption in kilowatt-hours (kWh). Multiplying this consumption by the cost per kWh provides an estimate of the electricity cost. For instance, using an appliance with a power rating of 1000 watts for 10 hours a day results in a daily consumption of 10 kWh. At an electricity rate of $0.15 per kWh, this equates to a daily cost of $1.50. Utilizing such calculators empowers consumers to monitor their energy usage, identify high-consumption devices, and implement energy-saving strategies to reduce utility bills. Various online platforms offer user-friendly electricity bill calculators to assist in these estimations.