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Points to Pixels Converter

Enter a point value and choose your screen resolution to convert to pixels, ems, picas, inches, and millimetres instantly.
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Luis GonzalezCreated by Luis GonzalezLast updated:

How to Use This Calculator

  1. 1

    Enter the size in typographic points (pt)

    Input the value you want to convert. A point is a unit of physical measurement in typography, equal to 1/72 of an inch.

  2. 2

    Select the screen resolution (DPI)

    Choose the dots-per-inch setting that matches your target medium. For web design, the CSS standard is 96 DPI.

  3. 3

    Review the pixel and other unit conversions

    The tool calculates the equivalent size in pixels (px), ems, picas, inches, and millimeters based on the selected DPI.

Example Calculation

A graphic designer is converting a print layout using 12pt body text to a web page and needs to find the equivalent pixel size using the points-to-pixels converter.

Points (pt)

12 pt

Screen Resolution (DPI)

96 dpi

Results

16 px

Tips

Use 96 DPI for Web CSS

The W3C standard that governs CSS assumes a screen resolution of 96 DPI. When converting print mockups to web designs, always use the 96 DPI setting for accurate results.

Points are for Print

Points are a physical measurement (1pt = 1/72 inch) and are the standard for print media. Pixels are digital and are the standard for screens. This conversion is the bridge between those two worlds.

Retina Displays and Pixel Density

A 'Retina' or HiDPI display has a higher physical pixel density (e.g., 192 DPI). While the CSS pixel remains 1/96th of an inch, the device uses multiple physical pixels to render one CSS pixel, resulting in sharper text and images.

Bridging Print and Digital Typography

The Points to Pixels Converter is a crucial utility for designers and developers who work across both print and digital media. It translates the typographic point (pt), a standard unit of physical measurement in print, into the digital pixel (px), the fundamental unit of a screen. This conversion is essential when adapting a brand's style guide from a print document to a website, ensuring that font sizes like a 12pt body text are accurately represented as 16px in CSS for a standard 96 DPI screen.

Why Points and Pixels Are Not Interchangeable

Understanding the core difference between these units is key. A point is an absolute physical measurement, defined as 1/72 of an inch. It has a consistent size regardless of the medium. A pixel, however, has no fixed physical size; its size depends on the resolution—or dots per inch (DPI)—of the display screen. A pixel on a low-resolution monitor is physically larger than a pixel on a high-resolution smartphone screen. The DPI setting acts as the bridge, defining how many pixels fit into a physical inch, which allows for a meaningful conversion from points.

The Points to Pixels Formula Explained

The conversion from points to pixels hinges on the screen's resolution. The standard formula uses the established relationship between points, inches, and the screen's DPI.

The formula is:

Pixels = Points × (DPI / 72)

In this formula, Points is the font size you're converting. DPI is the dots-per-inch of the target screen. The number 72 comes from the definition of a typographic point (72 points per inch). For web development, the standard DPI value is 96.

💡 Many digital systems rely on converting between different data formats. Our Binary to Decimal Converter is another tool for handling these fundamental translations.

Converting a Print Heading to Web Pixels

Imagine a designer has a print brochure with a large heading set at 36pt. They need to find the correct pixel size for the website's CSS, which uses the standard 96 DPI resolution.

  1. Points (pt): The designer enters 36 into the points field.
  2. Screen Resolution (DPI): They select the 96 dpi option for web standard.
  3. Calculation: The calculator applies the formula: Pixels = 36 × (96 / 72) Pixels = 36 × 1.333...

The result is 48 pixels. The designer can now confidently use font-size: 48px; in their CSS to match the intended scale of the print design.

💡 For developers working with low-level data or color representations, the Binary to Hexadecimal Converter can be an invaluable tool.

The concept of DPI is the critical link between the physical world of print and the digital world of screens. In print, 300 DPI is a common standard for high-quality images. In the early days of computing, Apple Macintosh displays standardized on 72 DPI, creating a simple 1-to-1 relationship where a 72pt font was exactly one inch tall on screen. Later, Microsoft Windows adopted a 96 DPI standard to improve legibility, and this became the default resolution assumed by CSS. Today, HiDPI or "Retina" displays can have resolutions of 144 DPI, 192 DPI, or even higher, using multiple physical pixels to render a single CSS pixel for exceptional sharpness.

Alternative Conversion: CSS vs. Physical Inches

It's important to recognize the difference between a CSS pixel and a physical device pixel. CSS defines a "reference pixel" as 1/96th of an inch. This means that on a standard 96 DPI screen, one CSS pixel is one device pixel. The formula used by this calculator, px = pt * (96 / 72), is for finding the correct CSS pixel value. To find the number of physical pixels used on a specific high-resolution screen, you would use a variant: physical_pixels = pt / 72 * actual_screen_dpi. This distinction is vital for designers creating pixel-perfect assets for specific devices.

Frequently Asked Questions

How many points are in a pixel?

The relationship depends on the screen resolution (DPI). At the standard web resolution of 96 DPI, one pixel is equal to 0.75 points (since 72pt/inch / 96px/inch = 0.75 pt/px). Conversely, one point is equal to 1.333 pixels at 96 DPI.

Why is 12pt font standard for print?

A 12-point font has been a standard for body text since the days of typewriters and is considered highly readable for printed documents like books and reports. This size, roughly equivalent to 16px on a standard screen, provides good legibility for extended reading.

What is the difference between DPI and PPI?

DPI (dots per inch) technically refers to the number of ink dots a printer places on paper. PPI (pixels per inch) refers to the number of pixels on a digital screen. In many contexts, including this calculator, the terms are used interchangeably to describe screen resolution.