How Much Does a 10-watt electric shaver Cost to Run in Washington?
A 10-watt electric shaver uses 0.01 kWh per hour and costs $0.001 per hour at $0.115/kWh in Washington. Used 0.2 hours a day, that is $0.0002 per day, $0.007 per month and $0.084 per year.
Calculate your own cost
- Per hour
- $0.0010.01 kWh
- Per day
- $0.00020 kWh
- Per week
- $0.0020.01 kWh
- Per month (30 days)
- $0.0070.06 kWh
- Per year
- $0.0840.73 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 10-watt electric shaver cost per hour?
At $0.115/kWh, it costs $0.001 per hour. The maths: 10 W ÷ 1,000 = 0.01 kWh per hour, × $0.115 = $0.001.
How much does it cost per month?
Used 0.2 hours a day for 30 days, it costs about $0.007 per month and uses 0.06 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
0 kWh per day, 0.06 kWh per month and 0.73 kWh per year at 0.2 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?
Charge as needed and use the model’s rated input for a rough estimate. 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 $0.006 and at 30¢ it is $0.018. 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 | 0.01 kWh | $0.001 | $0.035 | $0.42 |
| 2 hours | 0.02 kWh | $0.002 | $0.069 | $0.84 |
| 3 hours | 0.03 kWh | $0.003 | $0.104 | $1.26 |
| 4 hours | 0.04 kWh | $0.005 | $0.138 | $1.68 |
| 5 hours | 0.05 kWh | $0.006 | $0.173 | $2.10 |
| 6 hours | 0.06 kWh | $0.007 | $0.207 | $2.52 |
| 7 hours | 0.07 kWh | $0.008 | $0.242 | $2.94 |
| 8 hours | 0.08 kWh | $0.009 | $0.276 | $3.36 |
| 9 hours | 0.09 kWh | $0.01 | $0.311 | $3.78 |
| 10 hours | 0.1 kWh | $0.012 | $0.345 | $4.20 |
| 11 hours | 0.11 kWh | $0.013 | $0.38 | $4.62 |
| 12 hours | 0.12 kWh | $0.014 | $0.414 | $5.04 |
| 13 hours | 0.13 kWh | $0.015 | $0.449 | $5.46 |
| 14 hours | 0.14 kWh | $0.016 | $0.483 | $5.88 |
| 15 hours | 0.15 kWh | $0.017 | $0.518 | $6.30 |
| 16 hours | 0.16 kWh | $0.018 | $0.552 | $6.72 |
| 17 hours | 0.17 kWh | $0.02 | $0.587 | $7.14 |
| 18 hours | 0.18 kWh | $0.021 | $0.621 | $7.56 |
| 19 hours | 0.19 kWh | $0.022 | $0.656 | $7.98 |
| 20 hours | 0.2 kWh | $0.023 | $0.69 | $8.40 |
| 21 hours | 0.21 kWh | $0.024 | $0.725 | $8.81 |
| 22 hours | 0.22 kWh | $0.025 | $0.759 | $9.23 |
| 23 hours | 0.23 kWh | $0.026 | $0.794 | $9.65 |
| 24 hours | 0.24 kWh | $0.028 | $0.828 | $10.07 |
How we worked it out
- Energy per hour: 10 W ÷ 1,000 = 0.01 kWh
- Cost per hour: 0.01 kWh × $0.115 = $0.001
- Cost per day: × 0.2 hours = $0.0002
- Month and year: × 30 days = $0.007, × 365 days = $0.084
Washington electricity prices
Washington pays about $0.115 per kWh, which is 34% lower than the US average of $0.175. The same electric shaver would cost $0.011 a month at the national average.
What it costs in different places
Same 10-watt electric shaver, 0.2 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $0.011 |
| California | $0.32 | $0.019 |
| Texas | $0.155 | $0.009 |
| New York | $0.25 | $0.015 |
| Florida | $0.155 | $0.009 |
| Illinois | $0.17 | $0.01 |
| Pennsylvania | $0.18 | $0.011 |
| Ohio | $0.17 | $0.01 |
| Washington | $0.115 | $0.007 |
About electric shaver running costs
Electric shavers use modest power for short periods or while charging. Battery capacity can help estimate energy per full charge.
Typical sizes: 5 W, 10 W, 20 W, 30 W.
How to spend less: Charge as needed and use the model’s rated input for a rough estimate.
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.