Google does not officially set a strict character limit, but search results typically display between 150–160 characters on desktop and slightly fewer on mobile. The real limit is measured in pixels rather than characters.
Google truncates meta descriptions based on pixel width (around 920 pixels for desktop). Wide letters like “W” take more space than narrow letters like “i”, so two descriptions with the same character count may display differently.
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Meta descriptions are not a direct ranking factor. However, they significantly impact click-through rate (CTR), which indirectly influences SEO performance.
Mobile devices often display fewer characters. To stay safe across all devices, aim for 150 characters or less.
Character to Word Guides | Ideal Blog Post Length for SEO