How much does it cost to run a projector? Enter its power use, how long you watch, and your electricity price to see the running cost, with an optional lamp cost per hour.
How it works
Energy in kilowatt-hours equals watts times hours divided by 1000. Multiply that by your electricity price per kWh for the cost. If your projector uses a lamp, divide the lamp price by its life in hours to get the lamp cost per hour, then add it to the electricity cost per hour.
Example: a 250 W projector used 4 hours a day at 0.16 per kWh uses 1 kWh a day and costs about 0.16 per day.
Frequently asked questions
How many watts does a projector use?
Small LED projectors often use 30 to 100 W, while bright home cinema models can use 200 to 400 W. Check the specs or the label on the back.
Is an LED or laser projector cheaper to run?
Usually yes over time, because they have no lamp to replace and often last 20,000 hours or more.
Does standby use power?
Yes, but usually only a watt or two. Unplug it if you will not use it for long periods.
