CSS Units Converter

    Easily convert px to rem and many more.

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    What is CSS Unit Converter ?

    The CSS Unit Converter is a versatile tool designed to simplify unit conversions in web design. Effortlessly switch between various CSS units such as px, rem, em, %, vh, vw, pt, cm, mm, and in, ensuring precision in your designs.

    How to Use the CSS Unit Converter?

    1. Enter the value you wish to convert and select its current unit type(e.g., px, rem, cm).
    2. Choose the target unit type to which you want to convert the value.
    3. Click the “Convert” button to see the converted value instantly.
    4. Copy the converted value for use in your CSS or design projects.

    Key Features

    • Multiple Unit Types: Supports conversions between px, rem, em, %, vh, vw, pt, cm, mm, and in.
    • Precision: Calculates conversions based on standard assumptions for common units.
    • Easy to Use: Intuitive interface for quick and accurate conversions.
    • Copy Functionality: Conveniently copy the converted value.

    Why Use This Tool?

    • Efficiency: Save time by quickly converting between CSS units with accurate results.
    • Design Consistency: Ensure precise and uniform measurements in your layouts.
    • Free and Unlimited: No restrictions—convert as many values as you need.

    Why Convert CSS Units?

    • Responsive Design: Use appropriate units like rem, %, vh, and vw for scalable and responsive layouts.
    • Cross-Platform Consistency: Ensure your designs look consistent across devices and screen sizes.
    • Precision: Units like px and pt are essential for achieving pixel-perfect designs.
    • Streamlined Workflow: Quickly switch between units for CSS optimization.

    Use Cases for CSS Unit Conversion

    • Creating responsive web layouts with relative units like rem, %, vh, and vw.
    • Adjusting measurements for print styles using cm, mm, or in.
    • Switching between absolute units like px and pt for precise typography.
    • Optimizing layouts for varying screen resolutions and dimensions.

    Supported Unit Types and Assumptions

    • px: Base unit of measurement in CSS.
    • rem: Root font size; default assumption is 16px.
    • em: Parent font size; default assumption is 16px.
    • %: Percentage based on root font size (16px = 100%).
    • vh: 1% of viewport height; default assumption is 937px height.
    • vw: 1% of viewport width; default assumption is 1920px width.
    • pt: Points; default assumption is 0.75pt = 1px.
    • cm: Centimeters; default assumption is 37.7953px per cm.
    • mm: Millimeters; default assumption is 3.77953px per mm.
    • in: Inches; default assumption is 96px per inch.

    Related Utilities

    Frequently Asked Questions (FAQs)

    What are CSS units?

    CSS units define the measurement of elements in a layout. They can be absolute (e.g., px, cm, in) or relative (e.g., %, rem, vh).

    What assumptions does the tool make?

    The tool assumes a default root font size of 16px, a viewport width of 1920px, and a viewport height of 937px for conversions involving rem, %, vw, and vh.

    Why are relative units like rem and % important?

    Relative units enable responsive and scalable designs that adapt to different screen sizes and font settings.

    Can I use this tool for print styles?

    Yes, you can convert values to cm, mm, or in for print-specific CSS designs.