How Many Watts Does a TV Use: All You Need to Know

Published on: May 12, 2022
Written by Liam Jaxon / Fact-checked by David Rowan

Knowing the TV wattage is important to fix the electric bill and understand the power or energy efficiency. In the modern era, TV is used for multiple purposes, not only watching. 

So, the question is how many watts does a TV use. 

It depends on the TV size, resolution, and other important technology. A standard TV uses around 58.6 watts in turned-on and standby mode is 1.3 watts. The power consumption rates of the recent TVs are 10W to 117W and 0.5W to 3W on standby. And, per year consuming electricity is approx 106.9 kWh. 

Learn more?

You would like to read the full article to understand details including some vital questions and answers, comparison chart of different sizes TVs Watts.

Basic Things of the TV Wattage

TV wattage is the unit of the measurement of strength or power of a TV, just like measuring the height in feet & inches and weight in kilograms or pounds. Don’t think it is related to the car battery watts. 

Here, 1 kilowatt is equal to 1000 watts. From 80 watt to 400 watt TV available in the market. This value is related to the size of your TV. The most common size is 33 inch, 44 inch, 56 inches, and so on depending on the TV, CRT, LCD, LED, QLED, Plasma, and more. 

Now, we share here a table of the most common TV sizes along with the several brands and watts chart to get a rough idea on this matter.

TV SIZE	LCD TV WATTAGE	LED TV WATTAGE
15 Inch TV	18 Watts	15 Watts
17 Inch TV	20 Watts	18 Watts
19 Inch TV	22 Watts	20 Watts
20 inch TV	26 Watts	24 Watts
21 Inch TV	30 Watts	26 Watts
22 Inch TV	40 Watts	30 Watts
24 Inch TV	50 Watts	35 Watts
30 Inch TV	60 Watts	38 Watts
32 Inch TV	70 Watts	41 Watts
37 Inch TV	80 Watts	44 Watts
40 Inch TV	100 Watts	50 Watts
42 Inch TV	120 Watts	57 Watts
50 Inch TV	150 Watts	72 Watts
55 Inch TV	180 Watts	80 Watts
60 Inch TV	200 Watts	88 Watts

Ultimately, these are the common and general guidelines about TV watts. The actual power of wattage is presented on the back of your TV just like a small silver sticker. This way is better to know how many watts does a TV use. 

How Many Watts Does a TV Use

There are some specific opinions on the watts that TV uses. On average, the modern standby power TVs use the range of 0.5 to 2 watts or 1.3 watts daily.

 On the other hand, if you calculate the per year or annual electricity, you get another thing, 106.9kWh. The average cost per year is $16.04. Unplug the power of the TV if you do not use it regularly. 

When TV is on, the around wattage of the most popular brands is 117 watts. They consume 206kWh of electricity annually. The average per year cost is $30.90 when TV is on. Nowadays, modern LED and LCD TVs are more efficient than the older CRT and plasma or other TVs. 

You know, these wattages vary in the TV’s screen size and resolution.

For example, Spectre E18 TV uses a low amount of watts while On just uses 10 watts and standby uses 0.5 watts. 

So, any modern TV can use 58.6 watts when running. Again, when standby, it uses 1.3 watts. The most common type of TV wattage in the On mode is 117 watts and standby mode consumption is 0.5. It is nearly impossible to avoid the resolution, screen size, and other important factors to understand how many watts a TV uses. Here is a table to break down all your confusion about TV wattage. 

TV Size	Result Category	Watts used while On	Watts used on Standby	Annual electricity consumption
19 Inch TV	Most Common	16.9W	0.5W	33 kWh
	Average	16.5W	0.5W	32.43 kWh
	Lowest	15W	0.5W	28.8 kWh
24 Inch TV	Most Common	20.0W	0.5W	38.1 kWh
	Average	19.8W	0.8W	38.09 kWh
32 Inch TV	Most Common	26W	0.5W	51 kWh
	Average	28W	0.7W	53.81 kWh
40 Inch	Average	34.1W	0.5W	64.6 kWh
43 Inch TV	Most Common	34W	0.5W	112 kWh
	Average	47.8W	0.9W	82.96 kWh
50 Inch TV	Most Common	74W	3W	136 kWh
	Average	70.5W	2.1W	130.95 kWh
55 Inch TV	Most Common	82W	0.5W	151 kWh
	Average	77W	1.4W	140.85 kWh
	Lowest	62.9W	0.5W	92 kWh
65 Inch TV	Most Common	98.3W	0.5W	185 kWh
	Average	94.7W	1.1W	169.47 kWh
	Lowest	72W	0.5W	101 kWh
70 Inch TV	Average	109.1W	0.5W	205 kWh

How Many Watts Does a 55-inch LED TV Use?

One of the most common TV models is 55-inch LED TV although many homeowners like to use 60-inch or larger models to get more efficiency. 

Generally, [amazon link=”B08TKXDLQB” title=”55-inch LED TV” /] has consumption power from 60 to 90 watts, where an average of 80 watts. Again, 55-inch OLED wattage is 105 to 110 watts. 

The best way is to check the label on the TV’S back to find the actual power of the TV.

How Much Power Does a 32-inch LED TV Use?

If you want to use the TV for guests, children, and dorm rooms, you can go through the 32-inch LED TV. This popular size is compact, cheap, and lightweight so it is easy to carry. 

This 32″ LED TV comes from 30 to 55 watts while the average watts is 40. Alternatively, 32-inch LCD TV has 50 to 85 watts whereas the most common is 65 to 70 watts. Plus, 32″ OLED around watts 55 to 60. But the Samsung 32 inches LED TV has an  average of 35 watts and a resolution ‎of 1366 x768. 

How Much Power Does a 65 inch TV Use?

Two different modes of watts are not similar. If the 65 inch TV is On, its watts are 98.3. In standby mode, it has 0.5 watts. The per year electricity of the 65″ TV is around 169.47 kWh. 

How Many Watts is a 4K TV?

A 4K TV uses 80 watts when keeps On mode. On-standby 4K TVs use 0.6 watts. 

Conclusion

So, today the ultra-high-definition TVs are used mostly which consume further electricity than the previous models. On average, most of the TVs use 80 to 400 watts while they are activated although it is dependent on the size and technology. The average cost is 13¢ per kilowatt-hour.

However, you have already known all the expected information from this article. And, our comparison table helped you find out everything about TV Wattage within a short time. Now, it is clear how many watts a TV uses.

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