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Electricity Bill Calculator

Estimate your monthly electricity bill by adding up your main appliances, plus a fixed monthly charge - and see which ones cost the most.

Price per kWh ($)

Fixed monthly charge ($)

Fridge (avg W)

Fridge hours/day

Air conditioner (W)

AC hours/day

Water heater (W)

Water heater hours/day

Electric dryer (W)

Dryer hours/day

TV & electronics (W)

Hours/day

Lighting (W total)

Hours/day

Other (W)

Hours/day

How to use it

Enter the price per kWh and fixed charge from your bill.
Adjust wattage and daily hours for your appliances; set unused ones to 0.
See the monthly total and the most expensive appliance.

How it works

Each appliance: watts × hours × 30.4 ÷ 1,000 = kWh per month. Bill ≈ total kWh × price + fixed charge. Time-of-use and tiered tariffs make the real bill differ - use your average price (bill total ÷ kWh).

FAQ

What uses the most electricity in a home?

Heating and cooling, water heating, and large appliances such as dryers and ovens typically dominate; electronics and lighting are smaller.

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