WattCostCalc

Cost to Run a 450-watt bread maker for 20 hours in Pennsylvania

Running a 450-watt bread maker for 20 hours uses 9 kWh and costs $1.62 at $0.18/kWh in Pennsylvania. Do that every day and it adds up to $48.60 a month.

$1.62 for 20 hoursat $0.18/kWh

Calculate your own cost

Hours per day:
$1.62per day
Per hour
$0.0810.45 kWh
Per day
$1.629 kWh
Per week
$11.3463 kWh
Per month (30 days)
$48.60270 kWh
Per year
$591.303,285 kWh

Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.

People also ask

How much does a 450-watt bread maker cost per hour?

At $0.18/kWh, it costs $0.081 per hour. The maths: 450 W ÷ 1,000 = 0.45 kWh per hour, × $0.18 = $0.081.

How much does it cost per month?

Used 20 hours a day for 30 days, it costs about $48.60 per month and uses 270 kWh. Change the hours in the calculator above to match how you use it.

How many kWh does it use?

9 kWh per day, 270 kWh per month and 3,285 kWh per year at 20 hours a day. A kWh is one kilowatt (1,000 W) used for one hour. It is the unit on your electricity bill.

How can I lower the cost?

Use the correct loaf size and avoid leaving the keep-warm mode on. Check your bill for the exact rate and enter it above.

Does my electricity rate change the answer?

Yes, a lot. At 10¢ per kWh the monthly cost is $27.00 and at 30¢ it is $81.00. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.

Cost by hours of use in Pennsylvania

Used per dayEnergy per dayCost per dayCost per monthCost per year
1 hour0.45 kWh$0.081$2.43$29.57
2 hours0.9 kWh$0.162$4.86$59.13
3 hours1.35 kWh$0.243$7.29$88.70
4 hours1.8 kWh$0.324$9.72$118.26
5 hours2.25 kWh$0.405$12.15$147.83
6 hours2.7 kWh$0.486$14.58$177.39
7 hours3.15 kWh$0.567$17.01$206.96
8 hours3.6 kWh$0.648$19.44$236.52
9 hours4.05 kWh$0.729$21.87$266.09
10 hours4.5 kWh$0.81$24.30$295.65
11 hours4.95 kWh$0.891$26.73$325.22
12 hours5.4 kWh$0.972$29.16$354.78
13 hours5.85 kWh$1.05$31.59$384.35
14 hours6.3 kWh$1.13$34.02$413.91
15 hours6.75 kWh$1.22$36.45$443.48
16 hours7.2 kWh$1.30$38.88$473.04
17 hours7.65 kWh$1.38$41.31$502.61
18 hours8.1 kWh$1.46$43.74$532.17
19 hours8.55 kWh$1.54$46.17$561.74
20 hours9 kWh$1.62$48.60$591.30
21 hours9.45 kWh$1.70$51.03$620.87
22 hours9.9 kWh$1.78$53.46$650.43
23 hours10.4 kWh$1.86$55.89$680.00
24 hours10.8 kWh$1.94$58.32$709.56

How we worked it out

  1. Energy per hour: 450 W ÷ 1,000 = 0.45 kWh
  2. Cost per hour: 0.45 kWh × $0.18 = $0.081
  3. Cost per day: × 20 hours = $1.62
  4. Month and year: × 30 days = $48.60, × 365 days = $591.30

Pennsylvania electricity prices

Pennsylvania pays about $0.18 per kWh, which is 3% higher than the US average of $0.175. The same bread maker would cost $47.25 a month at the national average.

What it costs in different places

Same 450-watt bread maker, 20 hours a day. Only the local electricity rate changes.

PlaceRate per kWhCost per month
United States$0.175$47.25
California$0.32$86.40
Texas$0.155$41.85
New York$0.25$67.50
Florida$0.155$41.85
Illinois$0.17$45.90
Pennsylvania$0.18$48.60
Ohio$0.17$45.90
Washington$0.115$31.05

About bread maker running costs

Bread makers run a motor and heating element over a multi-hour cycle. The heating element dominates electricity use.

Typical sizes: 450 W, 600 W, 800 W, 1,000 W.

How to spend less: Use the correct loaf size and avoid leaving the keep-warm mode on.

What this estimate assumes

  • The appliance draws its full stated wattage the whole time it is on. Real units with a thermostat cycle off and cost less.
  • Wattage is the typical label value, not a measured value. Check the label on your own appliance.
  • The rate is an approximate residential average in Pennsylvania. Your bill may include fixed fees, tiers or time-of-use pricing. Edit the rate above.
  • A month is 30 days and a year is 365 days.

Read the full calculation methodology

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