[](https://coffeefactz.com/how-much-caffeine-is-in-coke-complete-guide/)[Health](https://coffeefactz.com/category/health/)
## [Coca-Cola Caffeine Content: Every Product, Every Size, and What the Numbers Actually Mean](https://coffeefactz.com/how-much-caffeine-is-in-coke-complete-guide/)Coca-Cola caffeine content is 34 mg per 12 oz for Classic, but Diet Coke runs higher at 46 mg – a fact most people get backwards. This guide breaks down every product and size, compares Coke against coffee and Red Bull, and identifies the number in the can that actually matters.By [Pham Toan
](https://coffeefactz.com/author/pham-toan/)/ October 5, 2026 / 15 minutes of reading
[ Coca-Cola Caffeine Content: Every Product, Every Size, and What the Numbers Actually Mean Read More »](https://coffeefactz.com/how-much-caffeine-is-in-coke-complete-guide/)[caffeine content](https://coffeefactz.com/tag/caffeine-content/) [Coca-Cola](https://coffeefactz.com/tag/coca-cola/) [soft drinks](https://coffeefactz.com/tag/soft-drinks/)
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