MMMonitor MathDisplay decisions, measured

34-inch (86.4 cm) monitor dimensions

A 34-inch display changes shape depending on aspect ratio. Use these measured dimensions to estimate desk fit, screen area, and adjacent-size or ultrawide alternatives.

A 34-inch 16:9 monitor is about 29.6 inches wide and 16.7 inches tall, before bezels or the stand. To fill a relaxed 30-degree view, sit about 55 inches (140 cm) away; about 41 inches (104 cm) fills an immersive 40 degrees. Large monitors are mostly about desk span, viewing distance, and whether you are buying width, height, or both. Check the aspect-ratio rows before trusting the diagonal.

Compare nearby screens or open the calculator.

Measured by shape

Same diagonal, different footprint

16:9 standard

Width
29.63 in (75.3 cm)
Height
16.67 in (42.3 cm)
Diagonal
34 in (86.4 cm)
Area
494 sq in (3187 cm²)

21:9 ultrawide

Width
31.25 in (79.4 cm)
Height
13.39 in (34 cm)
Diagonal
34 in (86.4 cm)
Area
418.6 sq in (2700 cm²)

32:9 super ultrawide

Width
32.73 in (83.1 cm)
Height
9.21 in (23.4 cm)
Diagonal
34 in (86.4 cm)
Area
301.3 sq in (1944 cm²)

Fit read

What changes in use
Best use

Wide workspaces

Great when the monitor shape matches side-by-side windows, timelines, games, or dashboards.

Desk check

Width plus depth

Large monitors can physically fit but still feel too close on shallow desks.

Next step

Setup planner

Use the setup builder for arms, secondary displays, and desk width.

34-inch product examples

Real monitor examples
31.2 x 13.4 IN33.9"
33.9" · UWQHD OLED

LG UltraGear OLED 34GS95QE-B

31.2 x 13.4 in screen, about 110 PPI.

31.3 x 13.4 IN34"
34" · UWQHD OLED

Alienware AW3426DW

31.3 x 13.4 in screen, about 110 PPI.

31.3 x 13.4 IN34"
34" · UWQHD OLED

Corsair XENEON 34WQHD240-C

31.3 x 13.4 in screen, about 110 PPI.

31.3 x 13.4 IN34"
34" · UWQHD OLED

Samsung Odyssey OLED G8 G85SB

31.3 x 13.4 in screen, about 110 PPI.

31.3 x 13.4 IN34.1"
34.1" · UWQHD

Dell UltraSharp U3425WE

31.3 x 13.4 in screen, about 109 PPI.

31.4 x 13.5 IN34.2"
34.2" · UWQHD OLED

Alienware AW3423DWF

31.4 x 13.5 in screen, about 109 PPI.

Shop this size

Where to buy 34-inch monitors

Catalog models with retailer links
Paid links

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Popular 34-inch comparisons

16 links
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