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A pixel (PX) to point (PT) unit conversion tool for designers and developers. Supports custom PPI for typography and layout adaptation.
Overview
Understand what the tool solves, how it works, and the boundaries of its data.
This converter translates a pixel value (px) to points (pt), or points back to pixels. A typographic point is 1/72 of an inch. The calculation also needs a pixel density in pixels per inch (PPI), because a pixel count alone does not define a physical print length.
pt = px × 72 ÷ PPI
px = pt × PPI ÷ 72
At the default density of 96 PPI, 16 px converts to 12 pt. The default is useful for the CSS reference relationship: W3C describes 72 pt per inch and explains that CSS px is a reference unit, not a promise about a screen’s physical pixel spacing. See W3C’s CSS units explanation.
For a CSS sizing comparison, use 96 PPI to get the familiar 4-to-3 relationship (16 px = 12 pt). For a raster image intended for print, enter the image’s intended pixels per inch. For example, at 300 PPI, 12 pt corresponds mathematically to 50 px. The result depends on the density you enter; changing it changes the physical-size interpretation.
Guide
Follow the workflow and verify inputs and outputs with practical examples.
Type the pixel value or point value. The paired field updates in the opposite unit.
Use the default 96 for the CSS reference relationship. For image dimensions, enter the PPI that will define the image’s physical print size.
The displayed value is rounded to at most four decimal places. Reset returns the pixel input to 16 and density to 96.
Use cases
See how the tool fits into real work and everyday tasks.
Convert a CSS pixel font size into its point equivalent at 96 PPI when preparing specifications or discussing typography across workflows.
Use a known image PPI to estimate the pixel dimension corresponding to a point measurement, then check the image’s actual output settings in the publishing workflow.
Q&A
Find concise answers to common questions and confusing cases.
At the converter’s 96 PPI default, 1 px equals 0.75 pt. This is the chosen CSS reference conversion, not a measurement of your monitor’s physical pixel density.
The field is used as pixels per inch in the formula. For a raster image, enter the image pixel density relevant to the intended physical size; printer dots per inch describe printer output and are not always the same quantity.
Points represent a physical length, while the pixel count’s physical size depends on the assumed pixels per inch. A denser image needs more pixels to represent the same point length.
Notes
Review scope, result limitations, and important precautions before use.
This is a unit calculation based on the PPI value you supply. It does not measure a display or set a document’s print resolution. Confirm the intended image density and final document settings before relying on a physical print size.
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