Cost to Run an 800-watt laser printer for 21 hours in Florida
Running an 800-watt laser printer for 21 hours uses 16.8 kWh and costs $2.60 at $0.155/kWh in Florida. Do that every day and it adds up to $78.12 a month.
Calculate your own cost
- Per hour
- $0.1240.8 kWh
- Per day
- $2.6016.8 kWh
- Per week
- $18.23118 kWh
- Per month (30 days)
- $78.12504 kWh
- Per year
- $950.466,132 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does an 800-watt laser printer cost per hour?
At $0.155/kWh, it costs $0.124 per hour. The maths: 800 W ÷ 1,000 = 0.8 kWh per hour, × $0.155 = $0.124.
How much does it cost per month?
Used 21 hours a day for 30 days, it costs about $78.12 per month and uses 504 kWh. Change the hours in the calculator above to match how you use it.
How many kWh does it use?
16.8 kWh per day, 504 kWh per month and 6,132 kWh per year at 21 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?
Enable sleep mode and print multiple pages per job when practical. 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 $50.40 and at 30¢ it is $151.20. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.
Cost by hours of use in Florida
| Used per day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.8 kWh | $0.124 | $3.72 | $45.26 |
| 2 hours | 1.6 kWh | $0.248 | $7.44 | $90.52 |
| 3 hours | 2.4 kWh | $0.372 | $11.16 | $135.78 |
| 4 hours | 3.2 kWh | $0.496 | $14.88 | $181.04 |
| 5 hours | 4 kWh | $0.62 | $18.60 | $226.30 |
| 6 hours | 4.8 kWh | $0.744 | $22.32 | $271.56 |
| 7 hours | 5.6 kWh | $0.868 | $26.04 | $316.82 |
| 8 hours | 6.4 kWh | $0.992 | $29.76 | $362.08 |
| 9 hours | 7.2 kWh | $1.12 | $33.48 | $407.34 |
| 10 hours | 8 kWh | $1.24 | $37.20 | $452.60 |
| 11 hours | 8.8 kWh | $1.36 | $40.92 | $497.86 |
| 12 hours | 9.6 kWh | $1.49 | $44.64 | $543.12 |
| 13 hours | 10.4 kWh | $1.61 | $48.36 | $588.38 |
| 14 hours | 11.2 kWh | $1.74 | $52.08 | $633.64 |
| 15 hours | 12 kWh | $1.86 | $55.80 | $678.90 |
| 16 hours | 12.8 kWh | $1.98 | $59.52 | $724.16 |
| 17 hours | 13.6 kWh | $2.11 | $63.24 | $769.42 |
| 18 hours | 14.4 kWh | $2.23 | $66.96 | $814.68 |
| 19 hours | 15.2 kWh | $2.36 | $70.68 | $859.94 |
| 20 hours | 16 kWh | $2.48 | $74.40 | $905.20 |
| 21 hours | 16.8 kWh | $2.60 | $78.12 | $950.46 |
| 22 hours | 17.6 kWh | $2.73 | $81.84 | $995.72 |
| 23 hours | 18.4 kWh | $2.85 | $85.56 | $1,040.98 |
| 24 hours | 19.2 kWh | $2.98 | $89.28 | $1,086.24 |
How we worked it out
- Energy per hour: 800 W ÷ 1,000 = 0.8 kWh
- Cost per hour: 0.8 kWh × $0.155 = $0.124
- Cost per day: × 21 hours = $2.60
- Month and year: × 30 days = $78.12, × 365 days = $950.46
Florida electricity prices
Florida pays about $0.155 per kWh, which is 11% lower than the US average of $0.175. The same laser printer would cost $88.20 a month at the national average.
What it costs in different places
Same 800-watt laser printer, 21 hours a day. Only the local electricity rate changes.
| Place | Rate per kWh | Cost per month |
|---|---|---|
| United States | $0.175 | $88.20 |
| California | $0.32 | $161.28 |
| Texas | $0.155 | $78.12 |
| New York | $0.25 | $126.00 |
| Florida | $0.155 | $78.12 |
| Illinois | $0.17 | $85.68 |
| Pennsylvania | $0.18 | $90.72 |
| Ohio | $0.17 | $85.68 |
| Washington | $0.115 | $57.96 |
About laser printer running costs
Laser printers use a brief high-power warm-up and much less power while idle. The number of pages and sleep settings affect annual use.
Typical sizes: 300 W, 500 W, 800 W, 1,200 W.
How to spend less: Enable sleep mode and print multiple pages per job when practical.
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 Florida. 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.