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Electric Kettle Cost Calculator

An electric kettle has high wattage but a very short duty cycle, so the amount of water heated is the key variable.

1,500 W starting input 0.1 hr/day No sign-up

Typical starting estimate

$0.83/month4.5 kWh at 18.44¢/kWh

Your inputs

Calculate operating cost

watts
hours
days
$/kWh
EIA residential average price, not a utility-specific rate. Your bill’s all-in rate gives the best personal estimate.

Live estimate

Estimated monthly cost$0.83at 18.44¢ per kWh
Per day$0.03
Per year$10
Monthly use4.5 kWh
Transparent calculation(1500 W ÷ 1,000) × 0.1 hr × 30 days × $0.184/kWh

Actual use can differ when equipment cycles or changes power. Measure at the wall when precision matters.

How the electric kettle estimate works

The calculator converts watts to kilowatts, multiplies by effective runtime, and then applies the electricity price. With the starting inputs, this electric kettle uses about 4.5 kWh per month.

1,500 W ÷ 1,000 × 0.1 hours × 30 days × $0.1844/kWh = $0.83

Starting water temperature, fill volume, mineral scale, and automatic shutoff affect each boil.

How runtime changes the estimate

Daily runtimeMonthly useMonthly cost
1 hour/day45.0 kWh$8.30
4 hours/day180.0 kWh$33.19
8 hours/day360.0 kWh$66.38

These scenarios assume the device draws the full starting wattage for the entire runtime. Cycling and variable-speed equipment should use effective runtime or measured kWh.

Estimated monthly cost in high-price states

State2026-05 average priceEstimated cost
Hawaii52.00¢/kWh$2.34/mo
California33.25¢/kWh$1.50/mo
New York29.93¢/kWh$1.35/mo
Rhode Island29.46¢/kWh$1.33/mo

Practical ways to reduce cost

  • Heat only the water you need.
  • Descale when buildup becomes visible.
  • Use automatic shutoff rather than reboiling forgotten water.

Compare related equipment

Refrigerator36.0 kWh/mo →Dishwasher27.0 kWh/mo →Electric Oven37.5 kWh/mo →Electric Range Burner27.0 kWh/mo →

Frequently asked questions

How much electricity does a electric kettle use?

Using a 1,500-watt starting input for 0.1 hours per day and 30 days per month produces an estimate of 4.5 kWh per month. Actual use can differ because equipment may cycle or change power.

How much does it cost to run a electric kettle each month?

At the latest 2026-05 U.S. residential average price of 18.44 cents per kWh, the starting estimate is $0.83 per month. Replace the inputs with your own numbers for a personal estimate.

What number should I use for the electricity price?

Divide the total electric charges on your latest bill by the total kWh used for an all-in price. State averages are useful for comparison but are not utility-specific rates.

Data source

U.S. Energy Information Administration, Electricity Retail Sales, residential average price. Latest monthly data: 2026-05; comparison baseline: 2025 annual. Verified 2026-08-05. Monthly prices can vary seasonally and are not utility-specific rates.

View EIA data