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Electricity-cost calculators for United States

Use US dollars, your own tariff, and device-specific operating models—without pretending one national average fits every household.

Billing context

Use the rate that changes with consumption.

Retail electricity prices vary substantially by state, utility, customer class, and tariff. Average revenue per kWh is useful context, but your bill's energy rate is the right calculator input.

Verified reference · Confidence A 94/100USD 0.1844/kWh

EIA residential average · May 2026, United States · national average. Effective 2026-05-01 to 2026-07-31. Your own marginal bill rate remains the better input when your plan differs.

Source: EIA Electric Power Monthly · Table 5.6.A ↗

USD calculator

Start with any appliance.

A current official reference is prefilled. Edit it when your utility, plan, usage tier, tax treatment, or bill differs.

01

Your scenario

Change any value. Results update instantly.

Active runtime accounts for cycling. Use 100% for devices that draw the rated power continuously.

02

Your reading

Planning estimate · based on your inputs
Estimated monthly cost$2.68

Likely planning range $2.42–$2.95

Per day$0.09
Per active hour$0.02
Per year$32.22
Energy / month14.6 kWh

FormulakW × runtime × tariff

Month52 weeks ÷ 12

Data qualitySelf-entered estimate

Local high-intent tools

Built for United States

These pages combine the device model with local billing structure, a current source, and market-specific checks.

Local calculator

Air conditioner

Cooling cost changes sharply with climate zone, equipment efficiency, thermostat setting, and the utility rate that applies in your state.

Calculate local cost ↗Local calculator

EV charging

Home-charging economics vary by utility territory, charging schedule, battery size, and whether an EV or overnight time-of-use rate is available.

Calculate local cost ↗Local calculator

Pool pump

Long filtration schedules make pool pumps a material seasonal load, especially in warm states with high summer electricity prices.

Calculate local cost ↗

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