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How Much Does It Cost to Run a Computer Monitor in India? (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 ₹0.18 per hour, or about ₹43.20 per month at 8 hours a day in India. Cheap to run
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low (15 W) | ₹0.090 | ₹0.72 | ₹21.60 | ₹262.80 |
| Typical (30 W) | ₹0.18 | ₹1.44 | ₹43.20 | ₹525.60 |
| High (80 W) | ₹0.48 | ₹3.84 | ₹115.20 | ₹1,402 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 8 h/day ≈ 88 kWh per year.
In India, with electricity at ₹6.00 per kWh (source: Typical urban domestic slab rate; national average ≈ ₹5.5/unit FY2025-26, 2026-04), a typical computer monitor costs ₹0.18 per hour and about ₹525.60 per year at 8 hours a day. Each ₹1.00 of electricity buys roughly 5.6 hours of use.
How to lower the cost of running a computer monitor
- Lower brightness. Most monitors ship far brighter than needed indoors.
- Set the display to sleep after 5 to 10 minutes idle.
- Turn off a second monitor when not in use.
In standby it draws about 0.5 W, which adds roughly 4 kWh (₹26.28) 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
- United States (average)
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