Pixels (px)	cm (96 PPI)	cm (300 PPI)
100	2.65	0.85
200	5.29	1.69
300	7.94	2.54
400	10.58	3.39
500	13.23	4.23
600	15.87	5.08
700	18.52	5.93
800	21.17	6.78
900	23.81	7.62
1000	26.46	8.47

Understanding the Table

• px: This column represents the number of pixels you want to convert.
• cm (96 PPI): This column shows the centimeter equivalent for a standard PPI of 96, common in web design.
• cm (300 PPI): This column shows the centimeter equivalent for a PPI of 300, common for high-quality printing.

Pixels to Centimeters

• Pixels (px) are the smallest units of a digital image or display. They don’t have an inherent physical size; their real-world dimensions depend on screen resolution.
• Centimeters (cm): A standard unit of length in the metric system (1 centimeter = 0.01 meters).

Why Convert?

Converting pixels to centimeters is essential when you need to determine the physical size of an image for:

• Printing: Make sure your digital image translates correctly to the desired print size.
• Web Design: Ensuring elements display as intended across devices with varying screen resolutions.

The Role of PPI (Pixels Per Inch)

The conversion isn’t a direct 1:1 relationship. Here’s why:

• PPI (Pixels Per Inch): PPI indicates the pixel density of a screen or image. A higher PPI means more pixels in the same physical space, resulting in a sharper image.
• To convert pixels to centimeters, you MUST know the PPI of the image or the intended display device.

Conversion Formula

The basic formula for the conversion is:

Size (cm) = Size (px) / PPI * 2.54

Where:

• 2.54 is the conversion factor between inches and centimeters.

Example

Let’s say you have an image that is 1000 pixels wide, and you want to print it at 300 PPI:

1. Calculation: 1000 pixels / 300 PPI * 2.54 = 8.47 cm
2. Result: The image will be approximately 8.47 cm wide when printed.