kWh Cost Calculator
Use this cost per kWh calculator to estimate how much any electricity usage costs by state. Enter kWh, pick a state or U.S. average, and see the math — or browse fixed usage tiers below.
kWh cost calculator
Enter any kWh amount and pick your state (or U.S. average) to see estimated electricity cost using published residential average rates.
Pick your state above to see your estimated cost.
As of May 2026, 1,000 kWh costs about $184.40 at the U.S. average residential rate of 18.44 ¢/kWh (EIA).
1,000 kWh cost snapshot (no JavaScript required)
| Location | Average rate | 1,000 kWh estimate |
|---|---|---|
| U.S. average | 18.44 ¢/kWh | $184.40 |
| Idaho (lowest state average) | 12.35 ¢/kWh | $123.50 |
| Hawaii (highest state average) | 52.00 ¢/kWh | $520.00 |
Looking for a monthly bill estimate by state? Use the electricity bill calculator. For the price per kWh in a specific state, see electricity price per kWh pages.
Ways to lower your bill
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Know when electricity rates change
Rates move with each monthly EIA update. Get an email when your state's price moves.
Browse by electricity usage tier
These hubs link to state pages for common monthly kWh levels. For any other amount, use the calculator above.
Related tools
Monthly bill estimates and rate detail pages use different intents — follow the links that match your question.