How Much Caffeine in a Shot of Espresso?

A single shot of espresso (about 1 ounce / 30 ml) typically contains 63–75 mg of caffeine.
However, the exact amount depends on factors like:

• Coffee bean type (Arabica vs. Robusta)
• Roast level (lighter roasts tend to have slightly more caffeine)
• Grind size and extraction time

💡 Double shot espresso (~2 ounces) usually contains 125–150 mg of caffeine.

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⚡ Espresso vs. Regular Coffee – Caffeine Comparison

Drink Type	Serving Size	Avg. Caffeine Content
Single Espresso Shot	1 oz (30 ml)	63–75 mg
Double Espresso Shot	2 oz (60 ml)	125–150 mg
Drip Coffee (8 oz)	8 oz (240 ml)	95–120 mg
Cold Brew (8 oz)	8 oz (240 ml)	150–200 mg

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🧪 Factors That Affect how much caffeine in a shot of espresso

1. Coffee Bean Variety – Robusta beans have about 2x more caffeine than Arabica
2. Roast Level – Light roasts retain slightly more caffeine than dark roasts
3. Grind Size & Pressure – Finer grind and higher pressure extract more caffeine
4. Shot Duration – Longer extraction can slightly increase caffeine levels

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⚠️ Safe Daily Caffeine Limit (how much caffeine in a shot of espresso)

The FDA recommends no more than 400 mg of caffeine per day for healthy adults — roughly:

• 5–6 single espresso shots
• 3–4 regular cups of coffee

🚫 Exceeding this may cause restlessness, rapid heartbeat, or insomnia.

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❓ FAQ – Espresso & Caffeine (how much caffeine in a shot of espresso)

Q: Is espresso stronger than coffee?
Per ounce, yes — espresso is more concentrated. But a full cup of drip coffee usually has more total caffeine.

Q: How many espresso shots is too much?
Most people should limit themselves to 4–5 shots per day.

Q: Does decaf espresso have caffeine?
Yes, but much less — about 3–15 mg per shot.

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🏁 Final Word

A single shot of espresso contains around 63–75 mg of caffeine, making it a quick, concentrated energy boost.
Enjoy in moderation to stay within safe daily caffeine limits, and consider other clean energy sources for lasting performance.

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