45 inch TV dimensions

How big is a 45 inch TV really? Width, height and diagonal, the right viewing distance and the room size you need – and how it looks on your own wall.

Dimensions

39.2" × 22"

45" Diagonal

Viewing Distance

Daily

5.6 ft

Immersive (Cinema)

4.5 ft

Ideal Room Size

205 sq ft

(min. 140 sq ft)

45 inch TV dimensions – 39.2" × 22"

Technical Specifications

Dimensions

Diagonal:45" (45″)
Width:39.2"
Height:22"

With Frame: ~40" × 23"

(Without Frame (Screen): 39.2" × 22")

Viewing Distance

The optimal distance between you and the TV for a perfect viewing experience.

For 4K Resolution:

Daily (SMPTE):5.6 ft
Immersive (THX):4.5 ft
Recommended Range:3.7–5.6 ft

For Full HD Resolution:

Optimal viewing distance:7.5 ft
Recommended Range:5.6–9.4 ft

Room Requirements

These room sizes are ideal for a 45 inch TV.

Minimum Room Size

140 sq ft

Ideal Room Size

205 sq ft

Ceiling Height (min)

7.5 ft

Ideal For

A 45 inch TV fits perfectly in these rooms and use cases.

BedroomSmall Living RoomHome OfficeGuest Room

Additional Information

Resolution

Minimum Resolution:

Full HD (1920x1080)

Recommended Resolution:

4K UHD (3840x2160)

Weight

Typically:

15–24 lbs

Power Consumption

Typical:

60 W

Maximum:

90 W

Frequently Asked Questions

How big is a 45 inch TV?

A 45 inch TV has a screen diagonal of 45". It is about 39.2" wide and 22" tall (without frame).

What is the best viewing distance for a 45 inch TV?

For 4K (standard on all current TVs), 5.6 ft is ideal for everyday viewing and 4.5 ft for a more cinematic feel (sensible range: 3.7 ft to 5.6 ft). For Full HD, 7.5 ft is optimal (range: 5.6 ft to 9.4 ft).

What room size is a 45 inch TV suitable for?

A 45 inch TV suits rooms from 140 sq ft. Ideal are rooms of 205 sq ft or more.

What resolution should a 45 inch TV have?

At least Full HD (1920x1080), recommended is 4K UHD (3840x2160). At this size, you will benefit significantly from the higher resolution.

How big is a 45 inch TV compared to other sizes?

  • A 45 inch TV is 1.7" wider and 1" taller than a 43 inch TV – 10% more screen area.
  • Compared with a 48 inch TV it is 2.6" narrower and 1.5" shorter; the 48 inch TV has 14% more screen area.

Will it fit on your TV stand?

Including the bezel, a 45 inch TV is about 40" wide. If it stands on furniture, the stand should be at least 44" wide – a bit more if the feet sit at the outer edges.

Wall mount: VESA and weight

A 45 inch TV typically uses a VESA pattern of 200 × 200 – 300 × 300 mm and weighs 15–24 lbs. Make sure the wall mount covers both – the exact values are in your TV's manual.

How high to mount a 45 inch TV?

With a seated eye height of 42", the bottom edge of a 45 inch TV sits at about 31" from the floor and the top edge at about 53".

Calculate the height for your room →

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