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What Is My Screen Resolution?

Instantly check your screen resolution, screen size, aspect ratio, browser viewport size, and device pixel ratio in real time.

Your Screen Resolution

Live

Screen Resolution

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Detecting…

Viewport Size

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Browser window (CSS px)

Device Pixel Ratio

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Physical px per CSS px

Display Details

Screen Width —
Screen Height —
Available Width —
Available Height —
Aspect Ratio —
Orientation —

Color & Pixel Info

Color Depth —
Pixel Depth —
Total Screen Pixels —
Physical Resolution —
Viewport Width (CSS px) —
Viewport Height (CSS px) —

This free Screen Resolution Checker helps you find out exactly:

  • What is my screen resolution
  • What is my current display resolution
  • My screen resolution in pixels
  • My screen size and aspect ratio
  • Browser screen resolution

No downloads, no extensions, and no setup required.

Your Current Screen Resolution

The tool above automatically detects your device display information.

It shows:

  • Screen resolution (width × height in pixels)
  • Available screen size (viewport)
  • Device pixel ratio (DPR)
  • Aspect ratio (e.g., 16:9, 21:9)
  • Color depth
  • Browser viewport resolution
  • Screen orientation (landscape or portrait)

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What Is Screen Resolution?

Screen resolution is the total number of pixels displayed on your screen. It is written in the format Width × Height.

For example:

  • 1920 × 1080 means 1920 pixels wide and 1080 pixels tall
  • 2560 × 1440 means a higher pixel density and sharper display
  • 3840 × 2160 is commonly known as 4K UHD

Higher resolution means

  • Sharper text
  • Better image clarity
  • More content on screen
  • Improved video quality

Lower resolution means

  • Larger UI elements
  • Less sharp visuals
  • More zoomed-in experience

What Is My Screen Resolution and Aspect Ratio?

Aspect ratio is the proportional relationship between width and height. Your device automatically calculates this based on your current resolution.

Resolution Aspect Ratio Usage
1920 × 1080 16:9 Most laptops & monitors
2560 × 1440 16:9 High-end displays
3440 × 1440 21:9 Ultrawide monitors
1024 × 768 4:3 Older displays

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What Is My Screen Size and Resolution?

Screen size and screen resolution are not the same thing.

Screen Size

Physical size measured diagonally in inches (e.g., 13", 15.6", 27").

Screen Resolution

Number of pixels displayed on screen (e.g., 1920 × 1080).

Example

A 15.6-inch laptop may have:

  • 1366 × 768 (HD)
  • 1920 × 1080 (Full HD)
  • 2560 × 1440 (QHD)

Same size ≠ same resolution.

Supported Devices

This tool works on all modern devices:

  • Windows 10 / Windows 11 PCs
  • macOS (MacBook Air, MacBook Pro, iMac)
  • Android phones and tablets
  • iPhone and iPad (iOS / iPadOS)
  • Chromebooks
  • Linux systems
  • Desktop monitors and ultrawide displays

Common Screen Resolutions

A complete reference of standard display resolutions from HD to 8K — including aspect ratio, total pixel count, and typical use cases.

Resolution Name
1280 × 720 HD · 720p
1366 × 768 HD
1920 × 1080 Full HD · 1080p
2560 × 1080 UltraWide FHD
2560 × 1440 QHD · 2K
2560 × 1600 WQXGA
3440 × 1440 UltraWide QHD
3840 × 2160 4K UHD
5120 × 2880 5K
7680 × 4320 8K UHD

What Is Browser Screen Resolution?

Browser screen resolution refers to the visible area inside your browser window. It may be smaller than your actual screen resolution if:

  • The browser is not maximized
  • Zoom level is changed
  • Developer tools are open

This tool detects:

  • Full screen resolution
  • Available browser viewport size

What Is Device Pixel Ratio (DPR)?

Device Pixel Ratio (DPR) defines how many physical pixels are used to render one CSS pixel. Higher DPR means sharper visuals but more pixel density.

Device Type DPR
Standard monitor 1
Retina MacBook 2
High-end smartphone 3+

What Is Refresh Rate?

Refresh rate is how many times your screen updates per second. Common values:

  • 60Hz (standard)
  • 90Hz (mobile devices)
  • 120Hz (smooth scrolling & gaming)
  • 144Hz / 165Hz (gaming monitors)
  • 240Hz+ (high-performance displays)

Refresh rate affects smoothness, not resolution.

How to Check Screen Resolution Manually

Built-in OS steps to find your screen resolution without any tool.

Windows

  1. Right-click desktop
  2. Click Display Settings
  3. Scroll to "Display Resolution"

macOS

  1. Open System Settings
  2. Click Displays
  3. View resolution settings

Android

  1. Settings
  2. Display
  3. Screen Resolution (varies by device)

iPhone

  1. Settings
  2. General → About
  3. View device model (resolution is device-specific)

How to Fix Screen Resolution Issues

If your screen looks blurry or stretched:

  • Set resolution to "Recommended"
  • Adjust scaling settings
  • Update graphics drivers
  • Restart your device
  • Check display cable (HDMI/DP)

Frequently Asked Questions

Common questions about checking your screen resolution.

Your screen resolution is the number of pixels displayed on your screen. This tool shows it instantly.

It is the active resolution your device is currently using, shown above in real time.

Go to Display Settings or use this tool to detect it automatically.

Check Display settings or use this page in your mobile browser.

Open System Settings → Displays or use this tool for instant detection.

  • 1080p: Standard use
  • 1440p: Productivity & gaming
  • 4K: Professional design & video editing

WQXGA = 2560 × 1600 pixels, commonly used in high-end laptops and tablets.

Why Use This Screen Resolution Checker?

  • Instant detection
  • Works on all devices
  • No installation required
  • Shows real-time browser and screen data
  • Free and lightweight

Check Your Screen Resolution Instantly

Use the tool above to instantly answer:

  • What is my screen resolution
  • What is my screen size and resolution
  • What is my current display resolution
  • What is my screen resolution and aspect ratio
  • What is my browser screen resolution

Get accurate results directly from your device in real time.