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How many watts does a projector use? (300 W)
A projector uses about 300 W
Typical range 150–800 watts, plus ~2 W on standby.
Typical range 150–800 watts, plus ~2 W on standby.
Running cost calculator
Per hour—
Per day—
Per month—
Per year—
Energy/mo—
A projector's lamp or laser light source is the main power draw; brighter projectors for living rooms use the most.
Projector power specs
| Typical running power | 300 W |
| Typical range | 150–800 W |
| Standby draw | 2 W |
| Energy use | 0.60 kWh/day · 18.0 kWh/mo |
What affects the wattage
- Model size, age and energy rating.
- Settings and how hard it works (heat, speed, load).
- How many hours a day you run it.
Running cost at $0.17/kWh
| Electricity rate | Per day | Per month | Per year |
|---|---|---|---|
| $0.10/kWh | $0.06 | $1.80 | $21.90 |
| $0.15/kWh | $0.09 | $2.70 | $32.85 |
| $0.20/kWh | $0.12 | $3.60 | $43.80 |
| $0.25/kWh | $0.15 | $4.50 | $54.75 |
| $0.30/kWh | $0.18 | $5.40 | $65.70 |
| $0.40/kWh | $0.24 | $7.20 | $87.60 |
See the full breakdown of what it costs to run a projector, or what size power station runs a projector.
FAQ
How many watts does a projector use?
Home projectors use about 150-800 watts, mostly for the light source.
Is a projector or TV more efficient?
Large TVs are usually more efficient per inch, but projectors scale to huge images cheaply.
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