How Much Does It Cost to Run a Computer Monitor in Kansas? (2026)

A 24 inch office monitor draws around 20 to 30 watts. Large 4K or high-refresh gaming monitors can reach 60 to 80 watts, comparable to the computer they are attached to.

A typical computer monitor (30 W) costs $0.005 per hour, or about $1.13 per month at 8 hours a day in Kansas. Cheap to run

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 15 W$0.002$0.019$0.57$6.88
Typical 30 W$0.005$0.038$1.13$13.76
High 80 W$0.013$0.10$3.02$36.70

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 8 h/day ≈ 88 kWh per year.

One day of a computer monitor (0.72 kWh) is the same electricity as

Electricity per year at typical use, on a log scale: #27 of 95 appliances, from least to most.

In Kansas, with electricity at 15.7¢ per kWh (source: EIA Table 5.6.A, 2026-06), a typical computer monitor costs $0.005 per hour and about $13.76 per year at 8 hours a day. That is about 14% less than the national average for the US ($1.32 per month), because electricity in Kansas costs 15.7¢ per kWh against 18.3¢ nationally. Each $1.00 of electricity buys roughly 212.2 hours of use.

How to lower the cost of running a computer monitor

In standby it draws about 0.5 W, which adds roughly 4 kWh ($0.69) per year if it is never unplugged.

Frequently asked questions

How much electricity does a monitor use per day?

About 0.25 kWh for 8 hours on a typical 30 watt monitor.

Do monitors use power when off?

About half a watt in standby.

Does a bigger monitor use more electricity?

Yes. Power scales roughly with screen area and brightness.

Cost by region

US states
Canadian provinces

Related appliances

Use the generic electricity cost calculator · Which uses more? Take the quiz