Cost to Run a 500-watt washing machine for 6 hours in Pennsylvania
Running a 500-watt washing machine for 6 hours uses 3 kWh and costs $0.54 at $0.18/kWh in Pennsylvania. Do that every day and it adds up to $16.20 a month.
Calculate your own cost
- Per hour
- $0.090.5 kWh
- Per day
- $0.543 kWh
- Per week
- $3.7821 kWh
- Per month (30 days)
- $16.2090 kWh
- Per year
- $197.101,095 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 500-watt washing machine cost per hour?
At $0.18/kWh, it costs $0.09 per hour. The maths: 500 W ÷ 1,000 = 0.5 kWh per hour, × $0.18 = $0.09.
How much does it cost per month?
Used 6 hours a day for 30 days, it costs about $16.20 per month and uses 90 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
3 kWh per day, 90 kWh per month and 1,095 kWh per year at 6 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?
Wash with cold water when you can. 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 $9.00 and at 30¢ it is $27.00. 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 day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.5 kWh | $0.09 | $2.70 | $32.85 |
| 2 hours | 1 kWh | $0.18 | $5.40 | $65.70 |
| 3 hours | 1.5 kWh | $0.27 | $8.10 | $98.55 |
| 4 hours | 2 kWh | $0.36 | $10.80 | $131.40 |
| 5 hours | 2.5 kWh | $0.45 | $13.50 | $164.25 |
| 6 hours | 3 kWh | $0.54 | $16.20 | $197.10 |
| 7 hours | 3.5 kWh | $0.63 | $18.90 | $229.95 |
| 8 hours | 4 kWh | $0.72 | $21.60 | $262.80 |
| 9 hours | 4.5 kWh | $0.81 | $24.30 | $295.65 |
| 10 hours | 5 kWh | $0.90 | $27.00 | $328.50 |
| 11 hours | 5.5 kWh | $0.99 | $29.70 | $361.35 |
| 12 hours | 6 kWh | $1.08 | $32.40 | $394.20 |
| 13 hours | 6.5 kWh | $1.17 | $35.10 | $427.05 |
| 14 hours | 7 kWh | $1.26 | $37.80 | $459.90 |
| 15 hours | 7.5 kWh | $1.35 | $40.50 | $492.75 |
| 16 hours | 8 kWh | $1.44 | $43.20 | $525.60 |
| 17 hours | 8.5 kWh | $1.53 | $45.90 | $558.45 |
| 18 hours | 9 kWh | $1.62 | $48.60 | $591.30 |
| 19 hours | 9.5 kWh | $1.71 | $51.30 | $624.15 |
| 20 hours | 10 kWh | $1.80 | $54.00 | $657.00 |
| 21 hours | 10.5 kWh | $1.89 | $56.70 | $689.85 |
| 22 hours | 11 kWh | $1.98 | $59.40 | $722.70 |
| 23 hours | 11.5 kWh | $2.07 | $62.10 | $755.55 |
| 24 hours | 12 kWh | $2.16 | $64.80 | $788.40 |
How we worked it out
- Energy per hour: 500 W ÷ 1,000 = 0.5 kWh
- Cost per hour: 0.5 kWh × $0.18 = $0.09
- Cost per day: × 6 hours = $0.54
- Month and year: × 30 days = $16.20, × 365 days = $197.10
Pennsylvania electricity prices
Pennsylvania pays about $0.18 per kWh, which is 3% higher than the US average of $0.175. The same washing machine would cost $15.75 a month at the national average.
What it costs in different places
Same 500-watt washing machine, 6 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $15.75 |
| California | $0.32 | $28.80 |
| Texas | $0.155 | $13.95 |
| New York | $0.25 | $22.50 |
| Florida | $0.155 | $13.95 |
| Illinois | $0.17 | $15.30 |
| Pennsylvania | $0.18 | $16.20 |
| Ohio | $0.17 | $15.30 |
| Washington | $0.115 | $10.35 |
About washing machine running costs
Washing machines use little electricity themselves. The cost comes mostly from heating water.
Typical sizes: 400 W, 500 W, 700 W, 1,000 W.
How to spend less: Wash with cold water when you can.
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.