To convert cm to px, use the formula: pixels = centimeters × (PPI / 2.54). For a standard screen (96 PPI), 1 cm ≈ 38 pixels. For high-quality print (300 PPI), 1 cm ≈ 118 pixels.

At a standard 96 DPI resolution: 200px is approximately 5.29 cm. At 300 DPI: 200px is approximately 1.69 cm.

Convert Pixels to Centimeters

Q: What is px size in cm?

The size of a pixel in centimeters depends on the PPI (Pixels Per Inch) of the display or print. Formula: 1 px = 2.54 / PPI. At 96 PPI, 1 px ≈ 0.0264 cm.

Q: What is 3.5 cm * 4.5 cm in pixels?

This is a standard passport photo size. At 300 PPI (print quality), 3.5cm × 4.5cm is approximately 413px × 531px. At 96 PPI (screen), it is approx 132px × 170px.

Real-time conversion based on DPI/PPI.

Decimals

Resolution (DPI / PPI)

Standard Screen: • Print: • High-Res:

Pixels (px)

Centimeters (cm)

Calculation formula: cm = px * (2.54 / DPI)

Helpful?

How to Convert Pixel (px) to Centimeter

Converting pixels to centimeters requires knowing the resolution density, usually measured in DPI (Dots Per Inch) or PPI (Pixels Per Inch). The standard conversion factor is 2.54 centimeters per inch.

PX to CM Formula


              cm = pixels × (2.54 / DPI)

CM to PX Formula


              pixels = cm × (DPI / 2.54)

Pixel (X) to Centimeter Conversion Table

Calculated at standard 96 DPI.

Pixels (px)	Centimeters (cm)	Usage
100 px	2.65 cm	Icon / Small Button
200 px	5.29 cm	Thumbnail
500 px	13.23 cm	Web Banner Height
1000 px	26.46 cm	Full Screen Width (Small)
1920 px	50.80 cm	Full HD Width

Frequently Asked Questions

What is px size in cm? ▾

It is not a fixed size. A pixel is a digital unit, while a centimeter is a physical unit. The size depends on the screen density (DPI). On a standard 96 DPI screen, 1 px is roughly 0.0264 cm.

How many px is 1 cm? ▾

96 DPI (Web): 1 cm ≈ 37.8 pixels
300 DPI (Print): 1 cm ≈ 118.1 pixels
72 DPI (Old Monitors): 1 cm ≈ 28.3 pixels

What is 3.5 cm * 4.5 cm in pixels? ▾

This is a standard passport photo size.

At 300 DPI (Print Quality): 413 px × 531 px
At 96 DPI (Screen Quality): 132 px × 170 px

What is 200px in cm? ▾

Using the formula 200 × (2.54 / DPI):

@ 96 DPI: 5.29 cm
@ 300 DPI: 1.69 cm
@ 72 DPI: 7.06 cm