Computer monitor Electricity Cost in California — $2.18/month (2026)
California monthly
$2.18
U.S. average monthly
$1.29
Difference
+$0.89
← Computer monitor (all states) · California electricity rate
Quick rate
Daily cost
$0.07
Monthly cost
$2.18
+$0.00 vs typical
Yearly cost
$26.53
kWh / month
7.2 kWh
Local monthly estimate: $2.18 · U.S. average equivalent: $1.29
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ad-after-calculator Quick answer
Running a typical computer monitor in California costs about $0.07/day or $2.18/month at roughly $0.303/kWh, assuming 6 hours of use per day at 40 W. The U.S. average rate is about $0.180/kWh, so California is roughly 68% higher than average for this estimate.
vs U.S. average
Local rate (California)
$0.303/kWh
Monthly estimate: $2.18
U.S. average rate
$0.180/kWh
Monthly estimate: $1.29
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ad-after-state-table FAQ
- Most computer monitor units fall between 20 W and 80 W, with 40 W as a typical value for estimates.
- Our calculator uses 40 W as the typical wattage, within a reported range of 20–80 W.
- At 6 hours/day and 40 W, the estimate is about 0.24 kWh per day.
- Using 6 hours/day, the estimate is about 7.2 kWh per month.
- Per hour, computer monitor uses about 0.040 kWh (at 40 W).
- At typical use (40 W and 6 hours/day), the estimate is about $0.07/day at roughly $0.303/kWh.
- At typical use (40 W and 6 hours/day), the estimate is about $2.18/month at roughly $0.303/kWh.
- Running for one hour at 40 W costs about $0.012 per hour (using the California rate of about $0.303/kWh).
- For typical use, the calculator estimates about $2.18/month for computer monitor in California.
- At the typical California residential rate, the estimate is about 7.2 kWh per month, which corresponds to roughly $2.18/month for computer monitor.
- Compared to the U.S. average, California is about 68% higher for this estimate. Monthly cost is about $2.18 in California vs $1.29 at the national average.
- Start with practical steps from our tips list (e.g., Avoid running this appliance longer than you need each day.). Smaller changes reduce kWh usage, which reduces the bill at your local rate.
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Est. monthly at California rate ($0.303/kWh)