PX to CM Converter

PX → CM Converter

Pixels you want to express in centimeters.
Centimeters (cm):
Inches (reference):
CSS Snippet:
.element { width: 1cm; }
💡 Quick Presets
📊 Quick Reference (your px → cm)
CSS Standard
@96 px/in → cm = px × 2.54 / 96 (≈ × 0.0264583)
Print-aware (cm at DPI)
DPI 300: — cm
DPI 240: — cm
DPI 150: — cm
DPI 72: — cm
Live Preview
This element applies the computed value in cm to the selected property.

PX to CM Converter

When moving between the digital world and physical prints, converting pixels (PX) to centimeters (CM) is often necessary. Pixels are screen-based units used in digital design, while centimeters are physical measurements used in printing and real-world sizing. A PX to CM Converter helps you quickly translate between these units, ensuring that what you see on your screen matches what gets printed.

This tool is especially useful for designers, developers, and printers who need precise dimensions for layouts, images, or graphics. By accounting for DPI (dots per inch), you can accurately convert pixel-based sizes into centimeters.

Why Convert Pixels to Centimeters?

  • Print design accuracy – Required for business cards, posters, or brochures.
  • Consistent scaling – Ensures designs appear correctly across digital and print formats.
  • Cross-media design – Perfect for preparing assets that need to exist in both online and offline formats.
  • Professional workflows – Essential in fields like graphic design, UI/UX, CAD, and photography.

The Formula for PX to CM

Pixel-to-centimeter conversion requires knowing the DPI (dots per inch) setting.

Formula:

Centimeters = (Pixels ÷ DPI) × 2.54

Example: If you have an image that’s 600px wide at 300 DPI:

(600 ÷ 300) × 2.54 = 5.08 cm

So, 600px = 5.08 cm.

Practical Uses of PX to CM Conversion

  1. Printing Photos – Ensuring pixel dimensions match the correct print size.
  2. Graphic Design Projects – Creating flyers, cards, or posters that need exact centimeter sizing.
  3. UI/UX Design – Testing physical button sizes for apps and devices.
  4. CAD & 3D Printing – Converting digital dimensions into real-world formats.

Benefits of Using a PX to CM Converter

  • Fast and accurate – No manual calculations needed.
  • Flexible with DPI settings – Works for 72, 96, 150, or 300 DPI easily.
  • Avoids design errors – Helps prevent size mismatches when printing.
  • Saves time – Great for professionals and beginners alike.

FAQs

Why do I need DPI for converting PX to CM?

DPI determines how many pixels fit into one inch. Without it, you can’t translate digital units (px) into physical units (cm).

What DPI should I use for printing? Most printers use 300 DPI for high quality. For digital screens, 72 or 96 DPI is typical.

Can I use PX to CM conversion for web design?

Not directly. Web design is resolution-independent, but conversion helps when designing graphics meant for both screen and print.

Do all screens have the same pixel size in cm?

No, it varies. Different devices have different pixel densities (PPI), so one pixel may be physically smaller or larger.

Is PX to CM conversion the same as PX to MM?

Yes, both follow the same logic. Since 1 cm = 10 mm, once you get the value in cm, you can easily convert to mm.