What Is My Screen Size?
What Is My Screen Size?

Free screen resolution checker and developer layout tools — private, in-browser.

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  • Breakpoint Checker
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    • Detect Resolution
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    • Monitor Size
    What Is My Screen Size?
    What Is My Screen Size?
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    Breakpoint reference

    CSS Breakpoint for 1440px Width

    At 1440px viewport width, the active Tailwind min-width tier is "xl". See which sm, md, lg, xl, and 2xl breakpoints match.

    Responsive breakpoint checker

    Viewport width

    Largest Tailwind breakpoint satisfied: xl (min-width rules use the same pixel values as Tailwind v3 defaults.)

    Tailwind breakpoint ruler1440px
    0sm640md768lg1024xl12802xl15361920

    min-width breakpoints

    NamepxMatches
    sm640yes
    md768yes
    lg1024yes
    xl1280yes
    2xl1536no

    Quick presets

    Generate CSS snippets in our media query generator, compare real device specs in our device database, or device compare.

    Related tools

    Test any custom width in the full responsive breakpoint checker, generate CSS with the media query generator, or read live values on what is my viewport.

    Other common widths

    • 320px
    • 360px
    • 375px
    • 390px
    • 393px
    • 402px
    • 414px
    • 428px
    • 430px
    • 768px
    • 820px
    • 834px
    What Is My Screen Size?
    What Is My Screen Size?
    WhatIsMyScreenSize
    HomeDetect ResolutionScreen DPIMonitor Size