What are the differences between pixels in Photoshop and pixels in CSS?

One observation I've made is that when measuring dimensions in Photoshop for "pixel perfection," the values are typically half of what they need to be in CSS. For example, if I measure something at 60px in Photoshop, it translates to 30px in CSS.

However, this conversion is not always exact. Is there a method to ensure a 100% match so that I don't have to estimate? And what is the reason behind this discrepancy?

Answer №1

Ensuring accuracy when measuring pixels in Photoshop is crucial, as it is important to be aware of the resolution size. Web graphics typically use a resolution of 72 dpi, so it's wise to verify the resolution of your image in Photoshop by checking under "image size." Images with a resolution of 300 dpi may result in larger file sizes when saved for the web, potentially distorting the intended size.

Answer №2

If you're using Photoshop, follow these steps: Press Ctrl + N to create a new document and navigate to the Web tab. Select 'Web Most Common' to set the settings suitable for webpages. This Artboard will ensure that screenshots from your browser match the pixel values in Photoshop.

Additionally, double-check that your browser settings have not altered the zoom ratio or font size.

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