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LG · 2021 · Monitor

LG 34" UltraWide

Full device reference for the LG 34" UltraWide, including viewport size, native resolution, pixel density, DPR, and supporting responsive-design details.

$296 – $809Windows/MacReleased 202134 INCH
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Quick summary

Viewport

3440 x 1440 PX

Resolution

3440 x 1440 PX

Density

110 PPI

DPR

1 MDPI

Copy viewport or resolution below

Viewport

3440 x 1440 PX

Resolution

3440 x 1440 PX

Density

110 PPI

DPR

1 MDPI

What this device means for responsive design

The LG 34" UltraWide uses a viewport of 3440 x 1440 PX, which makes it a key target for desktop layout testing. Designers and developers should rely on the viewport value for CSS breakpoints, while the native resolution and DPR help explain image sharpness and rendering density.

Example breakpoint

@media (max-width: 3440px) {
  /* target layouts around LG 34" UltraWide width */
}

Display profile

Screen size34 INCH
Device density110 PPI
Pixel density110 PPI
Device pixel ratio1 MDPI

Detailed specifications

A clean reference table for the most important device and display values.

BrandLG
CategoryMonitor
Release2021
Operating SystemWindows/Mac
Screen Size34 INCH
Resolution3440 x 1440 PX
Viewport3440 x 1440 PX
Pixel Density110 PPI
Device Pixel Ratio1 MDPI
Retail Price$296 – $809

CSS Media Query

@media (min-width: 3440px)

Responsive design notes

Use the viewport for layout decisions, the native resolution for asset planning, and the DPR when understanding how CSS pixels map to physical pixels.

Use viewport for CSS

Focus on 3440 x 1440 PX when planning breakpoints and layout widths.

Use resolution for assets

The native 3440 x 1440 PX resolution helps guide image export sizes and display sharpness.

Use DPR for scaling

A DPR of 1 MDPI means this screen maps multiple physical pixels to one CSS pixel.

Frequently Asked Questions

What is the screen resolution of the LG 34" UltraWide?

The LG 34" UltraWide has a 3440 x 1440 PX screen resolution on a 34 INCH display, resulting in a pixel density of 110 PPI.

What is the CSS viewport size of the LG 34" UltraWide?

The LG 34" UltraWide has a CSS viewport of 3440 x 1440 PX. This is the value returned by window.innerWidth and window.innerHeight in JavaScript, and the value that CSS media queries respond to.

What CSS media query should I use for the LG 34" UltraWide?

To target the LG 34" UltraWide viewport, use: @media (max-width: 3440px). For a mobile-first approach, this targets the device at and above its viewport width.

What is the pixel density (PPI) of the LG 34" UltraWide?

The LG 34" UltraWide has a pixel density of 110 PPI, which corresponds to a device pixel ratio (DPR) of 1. This means CSS pixels are scaled up to produce crisp, high-resolution rendering on the physical display.