The B3 is one of several OLED televisions shipped by LG in 2023. If you have this TV set and would like to put it up on a wall, then you can check out this mounting bracket compatibility guide from Seeking Tech.
About the LG B3
The series offers all of the advance features you expect from a 4K television as it has a refresh rate of up to 120 frames per second in addition to supporting HDMI 2.1, HDR10, Dolby Vision, Dolby Atmos, Variable Refresh Rate and more. So, it is a good TV for gaming consoles such as the PlayStation 5, Xbox Series X and Xbox Series S.
The B3 sits in-between the entry-level A3 OLED as well as the higher range LG C3.
LG B3 Screen Sizes
This series comes in three sizes as customers can pick between the 55”, 65” or 77” version. You can find the model number for each of these variants below:
- 55-inch LG B3 Series OLED 4K UHD Smart TV (OLED55B3PUA or OLED55B36LA)
- 65-inch LG B3 Series OLED 4K UHD Smart TV (OLED65B3PUA or OLED65B36LA)
- 77-inch LG B3 Series OLED 4K UHD Smart TV (OLED77B3PUA or OLED77B36LA)
LG B3 Dimensions without Stand
Before doing anything else, you should make sure you clear up enough space to accommodate for your B3. Keep in mind that wall mounts can only be installed in areas that are supported by studs if you have a dry wall; otherwise, it won’t be able to hold the mounting bracket and television weight.
If you want to be able to push the OLED screen outwards and/or swivel it to the left or right, then you should also make sure that you have enough airspace around the wall to accommodate for these motions as well.
You can find the Height x Width x Thickness measurements of all three screen sizes of the LG B3 below:
Dimensions without Stand (in millimeters):
- 55” LG B3: 1227 mm x 709 mm x 46 mm
- 65” LG B3: 1448 mm x 833 mm x 46 mm
- 77” LG B3: 1722 mm x 993 mm x 56 mm
Dimensions without Stand (in centimeters):
- 55” LG B3: 122.7 cm x 70.9 cm x 4.6 cm
- 65” LG B3: 144.8 cm x 83.3 cm x 4.6 cm
- 77” LG B3: 172.2 cm x 99.3 cm x 5.6 cm
Dimensions without Stand (in inches):
- 55” LG B3: 48.3 inches x 27.9 inches x 1.8 inch
- 65” LG B3: 57.0 inches x 32.8 inches x 1.8 inch
- 77” LG B3: 67.8 inches x 39.1 inches x 2.2 inches
LG B3 Weight without Stand
You must also take into account the weight of your B3 set without the inclusion of its stand. This is an important metric because wall mounts have a weight capacity.
The good news here is that these TVs are extremely lightweight and should not be a problem when it comes to being held up by a vast majority of mounting brackets.
You can find the pounds and kilograms measurements for all three screen sizes below:
Weight without Stand (in pounds):
- 55” LG B3: 41.7 lbs.
- 65” LG B3: 52.9 lbs.
- 77” LG B3: 58.9 lbs.
Weight without Stand (in kilograms):
- 55” LG B3: 18.9 kg
- 65” LG B3: 24.0 kg
- 77” LG B3: 26.7 kg
LG B3 VESA Mounting Pattern
The VESA Mounting Pattern refers to the four screw holes located on the back of your B3 OLED screen that you need to use to attach the mounting bracket. It is measured, in millimeters, as Width x Length.
You can find the measurements between these four holes below:
- 55” LG B3: 300 mm x 200 mm
- 65” LG B3: 300 mm x 200 mm
- 77” LG B3: 400 mm x 200 mm

What wall mounts are compatible with the LG B3?
For a wall mount to be compatible with the LG B3, it will need to support the VESA Mounting Pattern of the television set.
The 55-inch and 65-inch supports the same pattern at 300 mm x 200 mm. On the other hand, the screw holes are slightly wider apart with the 77-inch version as your wall mount will need to support the 400 mm x 200 mm VESA Mounting Pattern.
The bracket should also be strong enough to hold the weight of the OLED TV. This shouldn’t be a problem for most wall mounts as the maximum weight for the B3 series is just 58.9 lbs. (26.7 kg).
If you have a hard time looking for a compatible wall mount, then you can check out our general recommendations guide, which covers fixed, tilted and full motion mounting brackets.
Resources: