Cost to Run a 15-watt router modem combo for 20 hours in Nevada
Running a 15-watt router modem combo for 20 hours uses 0.3 kWh and costs $0.042 at $0.14/kWh in Nevada. Do that every day and it adds up to $1.26 a month.
Calculate your own cost
- Per hour
- $0.0020.02 kWh
- Per day
- $0.0420.3 kWh
- Per week
- $0.2942.1 kWh
- Per month (30 days)
- $1.269 kWh
- Per year
- $15.33110 kWh
Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.
People also ask
How much does a 15-watt router modem combo cost per hour?
At $0.14/kWh, it costs $0.002 per hour. The maths: 15 W ÷ 1,000 = 0.02 kWh per hour, × $0.14 = $0.002.
How much does it cost per month?
Used 20 hours a day for 30 days, it costs about $1.26 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 20 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 the provider’s rated power as a guide and avoid frequent unnecessary restarts. 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 Nevada
| Used per day | Energy per day | Cost per day | Cost per month | Cost per year |
|---|---|---|---|---|
| 1 hour | 0.02 kWh | $0.002 | $0.063 | $0.767 |
| 2 hours | 0.03 kWh | $0.004 | $0.126 | $1.53 |
| 3 hours | 0.05 kWh | $0.006 | $0.189 | $2.30 |
| 4 hours | 0.06 kWh | $0.008 | $0.252 | $3.07 |
| 5 hours | 0.08 kWh | $0.011 | $0.315 | $3.83 |
| 6 hours | 0.09 kWh | $0.013 | $0.378 | $4.60 |
| 7 hours | 0.11 kWh | $0.015 | $0.441 | $5.37 |
| 8 hours | 0.12 kWh | $0.017 | $0.504 | $6.13 |
| 9 hours | 0.14 kWh | $0.019 | $0.567 | $6.90 |
| 10 hours | 0.15 kWh | $0.021 | $0.63 | $7.67 |
| 11 hours | 0.17 kWh | $0.023 | $0.693 | $8.43 |
| 12 hours | 0.18 kWh | $0.025 | $0.756 | $9.20 |
| 13 hours | 0.2 kWh | $0.027 | $0.819 | $9.96 |
| 14 hours | 0.21 kWh | $0.029 | $0.882 | $10.73 |
| 15 hours | 0.23 kWh | $0.032 | $0.945 | $11.50 |
| 16 hours | 0.24 kWh | $0.034 | $1.01 | $12.26 |
| 17 hours | 0.26 kWh | $0.036 | $1.07 | $13.03 |
| 18 hours | 0.27 kWh | $0.038 | $1.13 | $13.80 |
| 19 hours | 0.29 kWh | $0.04 | $1.20 | $14.56 |
| 20 hours | 0.3 kWh | $0.042 | $1.26 | $15.33 |
| 21 hours | 0.32 kWh | $0.044 | $1.32 | $16.10 |
| 22 hours | 0.33 kWh | $0.046 | $1.39 | $16.86 |
| 23 hours | 0.35 kWh | $0.048 | $1.45 | $17.63 |
| 24 hours | 0.36 kWh | $0.05 | $1.51 | $18.40 |
How we worked it out
- Energy per hour: 15 W ÷ 1,000 = 0.02 kWh
- Cost per hour: 0.02 kWh × $0.14 = $0.002
- Cost per day: × 20 hours = $0.042
- Month and year: × 30 days = $1.26, × 365 days = $15.33
Nevada electricity prices
Nevada pays about $0.14 per kWh, which is 20% lower than the US average of $0.175. The same router modem combo would cost $1.58 a month at the national average.
What it costs in different places
Same 15-watt router modem combo, 20 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 router modem combo running costs
Combined modem-router units usually stay on all day. Their wattage is small, but a 24-hour schedule matters to the yearly total.
Typical sizes: 8 W, 15 W, 25 W, 35 W.
How to spend less: Use the provider’s rated power as a guide and avoid frequent unnecessary restarts.
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 Nevada. 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.