How many pixels is 1 cm?

At 96 DPI (dots per inch), 1 cm is approximately 37.80 pixels. The calculator on cmtopx.com uses this 96 DPI reference for CM to PX conversion.

What is 3.5 cm by 4.5 cm in pixels?

Using 96 DPI, 3.5 cm is about 132 px and 4.5 cm is about 170 px, so 3.5 cm × 4.5 cm is roughly 132 px × 170 px.

Can I convert pixels to centimeters as well?

Yes. While cmtopx.com focuses on CM to PX, the tool also supports reverse PX to CM calculations using the same formulas and 96 DPI reference by default.

How much is 50 px in cm?

At 96 DPI, 50 px is approximately 1.32 cm. You can use the PX to CM option within the same tool on cmtopx.com.

Can I use this converter for print sizes?

Yes, if you use the correct DPI for your printer or design (for example 300 DPI). For CM to PX: px = cm × DPI ÷ 2.54. For PX to CM: cm = px × 2.54 ÷ DPI.

Does this calculator assume 96 DPI?

By default, cmtopx.com uses 96 DPI as a standard screen reference. If your device or design uses a different DPI, you can apply the same formulas with your own DPI value.

Can I adapt this for 300 DPI print?

Absolutely. For 300 DPI: px = cm × 300 ÷ 2.54. For example, 10 cm at 300 DPI is 10 × 300 ÷ 2.54 ≈ 1181 px.

Why do different screens give different physical sizes?

Because actual DPI changes between monitors, laptops, and mobiles. Pixels are fixed units in your image; centimeters depend on your device’s pixel density, so CM to PX results are based on the DPI you choose.

Is this tool suitable for UI, web, and print designers?

Yes, cmtopx.com is ideal for designers who need quick CM to PX and PX to CM estimates for layouts, mockups, and print, as long as the correct DPI for the target medium is used.

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