How Much Does a 750-watt appliance Cost to Run in California?
A 750-watt appliance uses 0.75 kWh per hour and costs $0.24 per hour at $0.32/kWh in California. Over 4 hours a day that is $0.96 per day, $28.80 per month and $350.40 per year.
Calculate your own cost
- Per hour
- $0.240.75 kWh
- Per day
- $0.963 kWh
- Per week
- $6.7221 kWh
- Per month (30 days)
- $28.8090 kWh
- Per year
- $350.401,095 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 750-watt appliance cost per hour?
At $0.32/kWh, it costs $0.24 per hour. The maths: 750 W ÷ 1,000 = 0.75 kWh per hour, × $0.32 = $0.24.
How much does it cost per month?
Used 4 hours a day for 30 days, it costs about $28.80 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 4 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 $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 California
| Used per day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.75 kWh | $0.24 | $7.20 | $87.60 |
| 2 hours | 1.5 kWh | $0.48 | $14.40 | $175.20 |
| 3 hours | 2.25 kWh | $0.72 | $21.60 | $262.80 |
| 4 hours | 3 kWh | $0.96 | $28.80 | $350.40 |
| 5 hours | 3.75 kWh | $1.20 | $36.00 | $438.00 |
| 6 hours | 4.5 kWh | $1.44 | $43.20 | $525.60 |
| 7 hours | 5.25 kWh | $1.68 | $50.40 | $613.20 |
| 8 hours | 6 kWh | $1.92 | $57.60 | $700.80 |
| 9 hours | 6.75 kWh | $2.16 | $64.80 | $788.40 |
| 10 hours | 7.5 kWh | $2.40 | $72.00 | $876.00 |
| 11 hours | 8.25 kWh | $2.64 | $79.20 | $963.60 |
| 12 hours | 9 kWh | $2.88 | $86.40 | $1,051.20 |
| 13 hours | 9.75 kWh | $3.12 | $93.60 | $1,138.80 |
| 14 hours | 10.5 kWh | $3.36 | $100.80 | $1,226.40 |
| 15 hours | 11.3 kWh | $3.60 | $108.00 | $1,314.00 |
| 16 hours | 12 kWh | $3.84 | $115.20 | $1,401.60 |
| 17 hours | 12.8 kWh | $4.08 | $122.40 | $1,489.20 |
| 18 hours | 13.5 kWh | $4.32 | $129.60 | $1,576.80 |
| 19 hours | 14.3 kWh | $4.56 | $136.80 | $1,664.40 |
| 20 hours | 15 kWh | $4.80 | $144.00 | $1,752.00 |
| 21 hours | 15.8 kWh | $5.04 | $151.20 | $1,839.60 |
| 22 hours | 16.5 kWh | $5.28 | $158.40 | $1,927.20 |
| 23 hours | 17.3 kWh | $5.52 | $165.60 | $2,014.80 |
| 24 hours | 18 kWh | $5.76 | $172.80 | $2,102.40 |
How we worked it out
- Energy per hour: 750 W ÷ 1,000 = 0.75 kWh
- Cost per hour: 0.75 kWh × $0.32 = $0.24
- Cost per day: × 4 hours = $0.96
- Month and year: × 30 days = $28.80, × 365 days = $350.40
California electricity prices
California pays about $0.32 per kWh, which is 83% higher than the US average of $0.175. The same appliance would cost $15.75 a month at the national average.
What it costs in different places
Same 750-watt appliance, 4 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 |
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 California. 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.