How Much Does a 150-watt sewing machine Cost to Run in California?
A 150-watt sewing machine uses 0.15 kWh per hour and costs $0.048 per hour at $0.32/kWh in California. Used 2 hours a day, that is $0.096 per day, $2.88 per month and $35.04 per year.
Calculate your own cost
- Per hour
- $0.0480.15 kWh
- Per day
- $0.0960.3 kWh
- Per week
- $0.6722.1 kWh
- Per month (30 days)
- $2.889 kWh
- Per year
- $35.04110 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 150-watt sewing machine cost per hour?
At $0.32/kWh, it costs $0.048 per hour. The maths: 150 W ÷ 1,000 = 0.15 kWh per hour, × $0.32 = $0.048.
How much does it cost per month?
Used 2 hours a day for 30 days, it costs about $2.88 per month and uses 9 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
0.3 kWh per day, 9 kWh per month and 110 kWh per year at 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?
Switch off at the wall during long breaks. 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 $0.90 and at 30¢ it is $2.70. 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 | 0.15 kWh | $0.048 | $1.44 | $17.52 |
| 2 hours | 0.3 kWh | $0.096 | $2.88 | $35.04 |
| 3 hours | 0.45 kWh | $0.144 | $4.32 | $52.56 |
| 4 hours | 0.6 kWh | $0.192 | $5.76 | $70.08 |
| 5 hours | 0.75 kWh | $0.24 | $7.20 | $87.60 |
| 6 hours | 0.9 kWh | $0.288 | $8.64 | $105.12 |
| 7 hours | 1.05 kWh | $0.336 | $10.08 | $122.64 |
| 8 hours | 1.2 kWh | $0.384 | $11.52 | $140.16 |
| 9 hours | 1.35 kWh | $0.432 | $12.96 | $157.68 |
| 10 hours | 1.5 kWh | $0.48 | $14.40 | $175.20 |
| 11 hours | 1.65 kWh | $0.528 | $15.84 | $192.72 |
| 12 hours | 1.8 kWh | $0.576 | $17.28 | $210.24 |
| 13 hours | 1.95 kWh | $0.624 | $18.72 | $227.76 |
| 14 hours | 2.1 kWh | $0.672 | $20.16 | $245.28 |
| 15 hours | 2.25 kWh | $0.72 | $21.60 | $262.80 |
| 16 hours | 2.4 kWh | $0.768 | $23.04 | $280.32 |
| 17 hours | 2.55 kWh | $0.816 | $24.48 | $297.84 |
| 18 hours | 2.7 kWh | $0.864 | $25.92 | $315.36 |
| 19 hours | 2.85 kWh | $0.912 | $27.36 | $332.88 |
| 20 hours | 3 kWh | $0.96 | $28.80 | $350.40 |
| 21 hours | 3.15 kWh | $1.01 | $30.24 | $367.92 |
| 22 hours | 3.3 kWh | $1.06 | $31.68 | $385.44 |
| 23 hours | 3.45 kWh | $1.10 | $33.12 | $402.96 |
| 24 hours | 3.6 kWh | $1.15 | $34.56 | $420.48 |
How we worked it out
- Energy per hour: 150 W ÷ 1,000 = 0.15 kWh
- Cost per hour: 0.15 kWh × $0.32 = $0.048
- Cost per day: × 2 hours = $0.096
- Month and year: × 30 days = $2.88, × 365 days = $35.04
California electricity prices
California pays about $0.32 per kWh, which is 83% higher than the US average of $0.175. The same sewing machine would cost $1.58 a month at the national average.
What it costs in different places
Same 150-watt sewing machine, 2 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $1.58 |
| California | $0.32 | $2.88 |
| Texas | $0.155 | $1.40 |
| New York | $0.25 | $2.25 |
| Florida | $0.155 | $1.40 |
| Illinois | $0.17 | $1.53 |
| Pennsylvania | $0.18 | $1.62 |
| Ohio | $0.17 | $1.53 |
| Washington | $0.115 | $1.04 |
About sewing machine running costs
Sewing machine power varies with motor design and speed. The rated maximum may exceed typical draw during ordinary stitching.
Typical sizes: 50 W, 100 W, 150 W, 250 W.
How to spend less: Switch off at the wall during long breaks.
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.