A standard small can of Red Bull (8.4 fl oz / 250 ml) contains 80 mg of caffeine.

Quick Scoop

  • 8.4 fl oz (250 ml) Red Bull: 80 mg caffeine.
  • This works out to about 32 mg of caffeine per 100 ml.
  • Larger cans simply scale up: more volume = more total caffeine, but the same concentration per ml.

For example, a 12 fl oz can has around 114 mg, and a 16 fl oz can has about 136 mg of caffeine, following the same formula.

Information gathered from public forums or data available on the internet and portrayed here.