how much caffeine does a shot of espresso have

A typical single shot of espresso (about 1 oz / 30 ml) has roughly 60–65 mg of caffeine , though it can vary with beans and brewing.

Quick Scoop ☕

• Most standard references put a single shot at about 63–64 mg of caffeine per 1 oz serving.

• Many cafés and nutrition databases use ~63 mg as the go-to number, which comes from USDA-type data.

• Some brands are a bit stronger: for example, Starbucks lists ~75 mg per shot in their nutritional info.

• Real-world tests show a big range: depending on grind, dose, and machine, a single shot has been measured anywhere from about 30 mg up past 100 mg.

What’s a safe takeaway?

If you just want a practical rule of thumb for daily life:

• Use 60–70 mg per espresso shot as your working estimate.

• Assume strong chains or “extra strong” blends might be closer to 70–75 mg per shot.

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