But no one is drinking coffee cups filled with straight espresso (at least we hope not), so let's compare some more realistic serving sizes. A standard 1-ounce shot of espresso contains roughly 63 ...

A cup of hot drip coffee is 8 fluid ounces, while a standard shot of espresso requires just 1 fluid ounce of water to pull. Many cafes serve straight espresso as double shots rather than single ...