Starbucks Blonde Roast vs espresso: which has more caffeine?

Starbucks Blonde Roast carries more total caffeine per serving (360mg per 16 oz grande vs 63mg per 1 oz shot), but ounce for ounce espresso is actually the stronger drink at about 63mg per fluid ounce against 22. Which one "has more caffeine" depends on whether you measure the container or the concentration.

Starbucks Blonde Roast vs espresso: the numbers

Sources: Starbucks Blonde Roast's figure is verified in our Starbucks Blonde Roast caffeine guide against Starbucks nutrition listing (source); espresso's figure is verified in our espresso guide against USDA FoodData Central (source).

Which one should you pick?

Pick espresso when you want the lighter dose or a slower ramp, and Starbucks Blonde Roast when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.

For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.

Related reading

• Starbucks Blonde Roast: the full caffeine guide
• espresso: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Starbucks Blonde Roast or espresso have more caffeine? Starbucks Blonde Roast: 360mg per 16 oz grande versus 63mg per 1 oz shot for espresso.

Which is stronger per ounce? espresso, at about 63.0mg per fluid ounce versus 22.5mg for Starbucks Blonde Roast.