Electricity Bill Calculator
Monthly & yearly cost from kWh usage and your rate
Tip: to find your effective rate, divide a past bill's total by the kWh used. The US residential average is about 16–17¢/kWh, but rates vary widely by state and utility.
Monthly cost by usage & rate
| Usage | 10¢ | 15¢ | 20¢ | 25¢ | 30¢ |
|---|---|---|---|---|---|
| 250 kWh | $25 | $38 | $50 | $62 | $75 |
| 500 kWh | $50 | $75 | $100 | $125 | $150 |
| 750 kWh | $75 | $112 | $150 | $188 | $225 |
| 1,000 kWh | $100 | $150 | $200 | $250 | $300 |
| 1,500 kWh | $150 | $225 | $300 | $375 | $450 |
Energy charge only, before fixed charges and taxes.
FAQ
How is an electricity bill calculated?
Most residential bills are: usage (kWh) × rate per kWh + a fixed customer/service charge, plus taxes and regulatory fees. Some utilities use tiered or time-of-use rates where the price changes with usage level or time of day.
What is a kWh?
A kilowatt-hour is the energy used by a 1,000-watt appliance running for one hour. A typical US home uses about 850–900 kWh per month.
Why is my bill higher in summer?
Air conditioning is usually the single largest load. A central AC can add several hundred kWh per month, and tiered rates may push that usage into a higher price bracket.
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