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Electricity Bill Calculator
Estimate your electricity bill from the appliances you use and the price of a unit.
Electricity Bill Calculator
Smartly estimate your energy cost based on meter readings
⚡ kWh Logic
🔋 Energy Saving
📦 2024 Rates
Power Meter Data
Previous Reading
kWh
Current Reading
kWh
Unit Cost & Fees
Rate per kWh
$
Service Fee
$
Total Units
350
kWh Consumption
Usage Cost
$42.00
kWh x Rate
LED Savings: Replacing old bulbs with LEDs can reduce lighting energy costs by up to **75%**.
Fridge Hub: Keeping your fridge full (even with water bottles) helps it retain cold and run more efficiently.
About the Electricity Bill Calculator
Estimate your electricity bill from the appliances you use and the price of a unit.
How to use the Electricity Bill Calculator
- Enter the power (watts), the hours of use and the number of appliances, and your electricity rate per kWh.
- Press Calculate Energy Bill.
Formula and method
kWh = watts × hours ÷ 1,000. Cost = kWh × rate per unit.
Worked example
A 100 W fan running 10 hours a day for 30 days uses 30 kWh. At a rate of 0.15 per kWh, the cost is 4.50.
Tips
- Your bill may also include taxes, fixed charges and tiered rates, so treat the result as an estimate.
- LED lights and efficient appliances lower your usage.
Frequently asked questions
What is a kWh?
One kilowatt-hour: using 1,000 watts for one hour.