Earth Bondhon
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Rojony Khatun Author
Rojony Khatun
CalculatorToolsProjectExpert
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Małgorzata Koperska, MD Steven Wooding
Last updated: September 14, 2025

Pixels Converter – Convert PX to EM, PT, %, Rem Online

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Pixels Converter calculator

Easily convert pixels (px) to em, rem, pt, %, and more with our free Pixels Converter. Fast, accurate, and responsive-friendly conversions for web & design projects.

pixels converter online:

Pixels are also popular in web design, but it makes more sense to convert them into a relative unit such as em, rem, percentage, or vw to make web pages responsive on various devices. With this converter, you have quick and correct results, and scaling fonts, images, and layouts has become easier without disrupting the design consistency.

Formula & Table Summary:

Conversion formulas depend on screen DPI (dots per inch). Standard is 96 DPI for web screens.

ConversionFormula
Pixels → Inchesin = px ÷ DPI
Pixels → cmcm = (px ÷ DPI) × 2.54
Pixels → mmmm = (px ÷ DPI) × 25.4
Pixels → Pointspt = (px ÷ DPI) × 72
Pixels → Emsem = px ÷ base-font-size

Pixels systems converter

A Pixels Converter lets you easily make conversions between pixels (px) and other digital measurement units (inches, centimeters, millimeters, points (pt), ems), depending on the screen resolution (DPI or PPI). Because pixels are the small dots on a screen, pixel conversion guarantees accuracy during print, web, and mobile screen designs. This could prove quite handy to the designers, developers, and engineers participating in the responsive layout so that they can be able to devise pixel-perfect layouts that can fit within the physical constraints.
A Pixels Converter is a simple but effective tool allowing web designers, developers, and graphic artists to convert pixels (px) into other more common units like em, rem, pt, percentage, vw, vh, and cm. Given the relative nature of pixels and the ability to change to different pixel resolutions based on the resolution of the screen device and the density of the screen device, pixel conversion is more elastic and scalable in web design in the present day. In order to elaborate, when developing scalable and usable fonts, conversion between px and em/rem is necessary. Similarly, the tool ofpx to percent is adaptable, and the tool ofpx to pt is appropriate in print designing. Our converter will give the correct results immediately on various unit conversions, which will save time and eliminate errors in calculations.

📊 Sample Conversion Table (96 DPI)

Pixels (px)Inches (in)Centimeters (cm)Millimeters (mm)Points (pt)
9612.5425.472
19225.0850.8144
384410.16101.6288

Frequently Asked Questions - Pixels Converter calculator:

What is a pixels converter?

A tool that converts px values to units like em, rem, pt, %, vw/vh, and cm using base font size or DPI.

How do I convert px to em?

Divide pixels by the current element’s base font size. Example: 24px ÷ 16px = 1.5em.

How do I convert px to rem?

Divide pixels by the root (html) font size. With 16px root, 32px ÷ 16px = 2rem.

How do I convert px to pt?

At 96 DPI, 1pt = 1.333px. Points = px ÷ 1.333; px = pt × 1.333.

How do I convert px to %?

(px ÷ container-width-in-px) × 100. Example: 300px in a 1200px container = 25%.

What’s the difference between em and rem?

em scales from the element’s parent font size; rem scales from the root html font size.

What DPI/PPI value should I use?

Web commonly uses 96 PPI; print often uses 300 DPI. Choose based on output medium.

How do I convert px to inches or cm?

in = px ÷ PPI; cm = (px ÷ PPI) × 2.54. Example at 96 PPI: 96px = 1in = 2.54cm.

Do device pixel ratios affect conversion?

CSS px is device-independent. High-DPR screens map multiple physical pixels to one CSS px.

Should I round converted values?

Yes, round to 2–3 decimals for consistency; browsers handle sub-pixel rendering but rounding improves design stability.

Rojony Khatun

Rojony Khatun

CalculatorToolsProject

Rojony Khatun is the creator of a free online tools website designed to simplify everyday and engineering-related calculations for students, professionals, and hobbyists. The platform offers a wide variety of basic and advanced calculators across key categories, including Electrical Calculators, Electronic Calculators, and Time & Date Calculators, helping users solve problems quickly and accurately.