Electricity Cost Formula:
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Definition: This calculator estimates the electricity cost based on appliance wattage, usage time, and current electricity rates in the Philippines.
Purpose: It helps households and businesses estimate their electricity expenses and make informed decisions about energy usage.
The calculator uses the formula:
Where:
Explanation: The power consumption is multiplied by usage time to get watt-hours, converted to kWh (divided by 1000), then multiplied by the cost per kWh.
Details: Accurate cost estimation helps in budgeting, identifying energy-hungry appliances, and planning energy-saving measures.
Tips: Enter the appliance wattage, daily/monthly usage time in hours, and current electricity rate (default ₱11/kWh). All values must be > 0.
Q1: What's the typical electricity rate in the Philippines?
A: Rates vary but typically range from ₱10-12 per kWh for residential consumers.
Q2: How do I find my appliance's wattage?
A: Check the label or manual, or use a wattage meter. Common appliances: LED bulb (10W), Fan (50W), TV (100W), Refrigerator (200W).
Q3: Should I use daily or monthly hours?
A: For daily cost, enter hours used per day. For monthly, multiply daily hours by 30 or enter total monthly hours.
Q4: Does this include all electric bill charges?
A: No, this calculates only energy consumption cost. Your actual bill includes fixed charges, taxes, and other fees.
Q5: How can I reduce my electricity costs?
A: Use energy-efficient appliances, turn off unused devices, utilize natural light, and maintain appliances properly.