WattCostCalc

Cost to Run a 750-watt air compressor for 8 hours in Washington

Running a 750-watt air compressor for 8 hours uses 6 kWh and costs $0.69 at $0.115/kWh in Washington. Do that every day and it adds up to $20.70 a month.

$0.69 for 8 hoursat $0.115/kWh

Calculate your own cost

Hours per day:
$0.69per day
Per hour
$0.0860.75 kWh
Per day
$0.696 kWh
Per week
$4.8342 kWh
Per month (30 days)
$20.70180 kWh
Per year
$251.852,190 kWh

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

People also ask

How much does a 750-watt air compressor cost per hour?

At $0.115/kWh, it costs $0.086 per hour. The maths: 750 W ÷ 1,000 = 0.75 kWh per hour, × $0.115 = $0.086.

How much does it cost per month?

Used 8 hours a day for 30 days, it costs about $20.70 per month and uses 180 kWh. Change the hours in the calculator above to match how you use it.

How many kWh does it use?

6 kWh per day, 180 kWh per month and 2,190 kWh per year at 8 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?

Fix air leaks and choose a tank and compressor suited to the tool. 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 $18.00 and at 30¢ it is $54.00. 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 dayEnergy per dayCost per dayCost per monthCost per year
1 hour0.75 kWh$0.086$2.59$31.48
2 hours1.5 kWh$0.173$5.18$62.96
3 hours2.25 kWh$0.259$7.76$94.44
4 hours3 kWh$0.345$10.35$125.93
5 hours3.75 kWh$0.431$12.94$157.41
6 hours4.5 kWh$0.518$15.53$188.89
7 hours5.25 kWh$0.604$18.11$220.37
8 hours6 kWh$0.69$20.70$251.85
9 hours6.75 kWh$0.776$23.29$283.33
10 hours7.5 kWh$0.863$25.88$314.81
11 hours8.25 kWh$0.949$28.46$346.29
12 hours9 kWh$1.04$31.05$377.78
13 hours9.75 kWh$1.12$33.64$409.26
14 hours10.5 kWh$1.21$36.23$440.74
15 hours11.3 kWh$1.29$38.81$472.22
16 hours12 kWh$1.38$41.40$503.70
17 hours12.8 kWh$1.47$43.99$535.18
18 hours13.5 kWh$1.55$46.58$566.66
19 hours14.3 kWh$1.64$49.16$598.14
20 hours15 kWh$1.73$51.75$629.63
21 hours15.8 kWh$1.81$54.34$661.11
22 hours16.5 kWh$1.90$56.93$692.59
23 hours17.3 kWh$1.98$59.51$724.07
24 hours18 kWh$2.07$62.10$755.55

How we worked it out

  1. Energy per hour: 750 W ÷ 1,000 = 0.75 kWh
  2. Cost per hour: 0.75 kWh × $0.115 = $0.086
  3. Cost per day: × 8 hours = $0.69
  4. Month and year: × 30 days = $20.70, × 365 days = $251.85

Washington electricity prices

Washington pays about $0.115 per kWh, which is 34% lower than the US average of $0.175. The same air compressor would cost $31.50 a month at the national average.

What it costs in different places

Same 750-watt air compressor, 8 hours a day. Only the local electricity rate changes.

PlaceRate per kWhCost per month
United States$0.175$31.50
California$0.32$57.60
Texas$0.155$27.90
New York$0.25$45.00
Florida$0.155$27.90
Illinois$0.17$30.60
Pennsylvania$0.18$32.40
Ohio$0.17$30.60
Washington$0.115$20.70

About air compressor running costs

Air compressors cycle as pressure falls and rises. Motor size and workload make real consumption vary substantially.

Typical sizes: 750 W, 1,500 W, 2,000 W, 3,000 W.

How to spend less: Fix air leaks and choose a tank and compressor suited to the tool.

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.

Read the full calculation methodology

Keep exploring