Cost to Run a 200-watt appliance for 1 hour in Washington
Running a 200-watt appliance for 1 hour uses 0.2 kWh and costs $0.023 at $0.115/kWh in Washington. Do that every day and it adds up to $0.69 a month.
Calculate your own cost
- Per hour
- $0.0230.2 kWh
- Per day
- $0.0230.2 kWh
- Per week
- $0.1611.4 kWh
- Per month (30 days)
- $0.696 kWh
- Per year
- $8.4073 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 200-watt appliance cost per hour?
At $0.115/kWh, it costs $0.023 per hour. The maths: 200 W ÷ 1,000 = 0.2 kWh per hour, × $0.115 = $0.023.
How much does it cost per month?
Used 1 hours a day for 30 days, it costs about $0.69 per month and uses 6 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
0.2 kWh per day, 6 kWh per month and 73 kWh per year at 1 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 it for fewer hours, switch to a lower-wattage model, and check whether your utility offers cheaper off-peak rates. Enter your own rate above to see the effect.
Does my electricity rate change the answer?
Yes, a lot. At 10¢ per kWh the monthly cost is $0.60 and at 30¢ it is $1.80. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.
Cost by hours of use in Washington
| Used per day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.2 kWh | $0.023 | $0.69 | $8.40 |
| 2 hours | 0.4 kWh | $0.046 | $1.38 | $16.79 |
| 3 hours | 0.6 kWh | $0.069 | $2.07 | $25.19 |
| 4 hours | 0.8 kWh | $0.092 | $2.76 | $33.58 |
| 5 hours | 1 kWh | $0.115 | $3.45 | $41.98 |
| 6 hours | 1.2 kWh | $0.138 | $4.14 | $50.37 |
| 7 hours | 1.4 kWh | $0.161 | $4.83 | $58.77 |
| 8 hours | 1.6 kWh | $0.184 | $5.52 | $67.16 |
| 9 hours | 1.8 kWh | $0.207 | $6.21 | $75.56 |
| 10 hours | 2 kWh | $0.23 | $6.90 | $83.95 |
| 11 hours | 2.2 kWh | $0.253 | $7.59 | $92.35 |
| 12 hours | 2.4 kWh | $0.276 | $8.28 | $100.74 |
| 13 hours | 2.6 kWh | $0.299 | $8.97 | $109.14 |
| 14 hours | 2.8 kWh | $0.322 | $9.66 | $117.53 |
| 15 hours | 3 kWh | $0.345 | $10.35 | $125.93 |
| 16 hours | 3.2 kWh | $0.368 | $11.04 | $134.32 |
| 17 hours | 3.4 kWh | $0.391 | $11.73 | $142.72 |
| 18 hours | 3.6 kWh | $0.414 | $12.42 | $151.11 |
| 19 hours | 3.8 kWh | $0.437 | $13.11 | $159.51 |
| 20 hours | 4 kWh | $0.46 | $13.80 | $167.90 |
| 21 hours | 4.2 kWh | $0.483 | $14.49 | $176.30 |
| 22 hours | 4.4 kWh | $0.506 | $15.18 | $184.69 |
| 23 hours | 4.6 kWh | $0.529 | $15.87 | $193.09 |
| 24 hours | 4.8 kWh | $0.552 | $16.56 | $201.48 |
How we worked it out
- Energy per hour: 200 W ÷ 1,000 = 0.2 kWh
- Cost per hour: 0.2 kWh × $0.115 = $0.023
- Cost per day: × 1 hours = $0.023
- Month and year: × 30 days = $0.69, × 365 days = $8.40
Washington electricity prices
Washington pays about $0.115 per kWh, which is 34% lower than the US average of $0.175. The same appliance would cost $1.05 a month at the national average.
What it costs in different places
Same 200-watt appliance, 1 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $1.05 |
| California | $0.32 | $1.92 |
| Texas | $0.155 | $0.93 |
| New York | $0.25 | $1.50 |
| Florida | $0.155 | $0.93 |
| Illinois | $0.17 | $1.02 |
| Pennsylvania | $0.18 | $1.08 |
| Ohio | $0.17 | $1.02 |
| Washington | $0.115 | $0.69 |
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 Washington. 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.