Washing Machine Electricity Calculator in Hawaii

Use this appliance electricity calculator to estimate washing machine operating cost in Hawaii using typical wattage and runtime assumptions tied to the statewide residential electricity rate.

Hawaii average rate
42.23 ¢/kWh
Assumed wattage
700 W
Typical usage pattern
0.5 hours/day
Typical monthly cost
$4.43
Typical yearly cost
$53.95

Key metrics

MetricValue
Hawaii average rate42.23 ¢/kWh
Assumed wattage700 W
Typical usage pattern0.5 hours/day
Typical monthly cost$4.43
Typical yearly cost$53.95

Washing Machine in Hawaii vs U.S. benchmark

Hawaii monthly estimate
$4.43
U.S. monthly estimate
$2.00
Difference
+$2.43
State rate
42.23 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 400-1,400 W, with a standard working assumption of 700 watts for 0.5 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 10.5 kWh per month and 127.7 kWh per year in the model.

Appliance calculator scenarios

ScenarioHours/dayAnnual energyHawaii monthlyU.S. monthlyHawaii yearly
Light usage0.5 hours/day127.7 kWh$4.43$2.00$53.95
Typical usage0.5 hours/day127.7 kWh$4.43$2.00$53.95
Heavy usage2.5 hours/day638.8 kWh$22.17$10.00$269.74

Appliance cost reference page

The dedicated appliance page below uses the same statewide rate and wattage assumptions in a longer-form layout. This calculator stays focused on quick hour-profile comparisons.

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: March 2026. Estimates are energy-only and exclude delivery charges, taxes, and fixed utility fees. For how rates and estimates are defined, see the methodology hub.

Disclaimers

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