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How Much Does a Computer Monitor Cost to Run?
A 27" LED monitor uses about 30-40 watts. Ultrawide and 4K monitors use slightly more, up to 60 watts.
watts
hrs/day
$/kWh
Daily Cost
$0.05
0.3 kWh
Monthly Cost
$1.54
9.6 kWh
Yearly Cost
$18.69
116.8 kWh
For perspective...
At $18.69/year, this costs about the same as 3 streaming service months. A minor line item.
Energy-Saving Tips for Your Computer Monitor
- Reduce brightness to a comfortable level — most people don't need 100%
- Set the monitor to sleep after 5 minutes of inactivity
- LED backlighting uses 40% less power than older CCFL monitors