Convert between centimeters (cm) and pixels (px) using customizable PPI (pixels per inch) for digital design, printing, and screen measurements.
Select conversion direction:
Determines how many pixels fit in one inch
Centimeters to Pixels Conversion:
1 inch = 2.54 cm | Pixels = cm × (PPI ÷ 2.54)
Based on selected PPI (pixels per inch). For 96 PPI: 1 cm ≈ 37.795 px | 1 px ≈ 0.026458 cm
Physical measurement (e.g., 2.54 cm = 1 inch)
Display format:
Quick conversions (at 96 PPI) - click to auto-fill:
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Understanding the relationship between physical measurements (cm) and digital units (px) for design and development.
| Unit | Type | Definition | Common Uses |
|---|---|---|---|
| Centimeter (cm) | Physical | Metric unit: 1/100 of a meter, ~0.3937 inches | Print dimensions, physical object measurements, real-world sizes |
| Pixel (px) | Digital | Smallest unit of digital image or display, size depends on PPI | Screen dimensions, digital design, web layouts, image resolution |
*Note: Pixels have no fixed physical size - their actual size depends on display density (PPI) and viewing distance.
PPI (Pixels Per Inch) determines how many pixels are packed into one inch of physical space, directly affecting the conversion between centimeters and pixels:
| Centimeters (cm) | ≈ Pixels at 72 PPI | ≈ Pixels at 96 PPI | ≈ Pixels at 300 PPI | Common Object |
|---|---|---|---|---|
| 2.54 cm | 72 px | 96 px | 300 px | 1 inch |
| 12.7 cm | 360 px | 480 px | 1500 px | 5 inches |
| 21 cm | 595 px | 794 px | 2480 px | A4 paper width |
| 29.7 cm | 842 px | 1123 px | 3508 px | A4 paper height |
| 13.3 cm | 377 px | 503 px | 1575 px | Credit card width |
Common conversions at standard PPI values for digital design and printing
| Centimeters (cm) | = | Pixels (px) |
|---|---|---|
| 1 cm | = | ≈28.35 px |
| 2.54 cm (1") | = | 72 px |
| 5 cm | = | ≈141.73 px |
| 10 cm | = | ≈283.46 px |
| 20 cm | = | ≈566.93 px |
| Centimeters (cm) | = | Pixels (px) |
|---|---|---|
| 1 cm | = | ≈37.795 px |
| 2.54 cm (1") | = | 96 px |
| 5 cm | = | ≈188.976 px |
| 10 cm | = | ≈377.95 px |
| 20 cm | = | ≈755.91 px |
| Centimeters (cm) | = | Pixels (px) |
|---|---|---|
| 1 cm | = | ≈118.11 px |
| 2.54 cm (1") | = | 300 px |
| 5 cm | = | ≈590.55 px |
| 10 cm | = | ≈1181.1 px |
| 20 cm | = | ≈2362.2 px |
Common questions about centimeter to pixel conversions
Unlike most unit conversions, centimeters (physical measurement) and pixels (digital unit) don't have a fixed relationship because:
Choose your PPI based on your output medium:
Always check the specific requirements of your project or printer, as some may have unique specifications.
Pixel density (PPI) directly impacts perceived image quality:
To calculate physical size from pixel dimensions for a specific screen:
Example: A 24" monitor with 1920px width has a PPI of 1920 ÷ 24 = 80 PPI. Using 80 PPI in the converter will give accurate physical measurements for that specific screen.
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Accurate conversion between inches (in) and pixels (px) for screen measurements, design, and printing. Supports adjustable PPI settings.
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Convert centimeters (cm) to pixels (px) and vice versa using customizable PPI (pixels per inch) for accurate digital design measurements.
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