Mocha Frappuccino vs Bottled Frappuccino: caffeine compared
Bottled Frappuccino (13.7 oz) has 110 mg of caffeine, 10 mg more than Mocha Frappuccino (16 oz, 100 mg) — 1.1× as much per serving. Per fluid ounce, Bottled Frappuccino is the stronger drink: 8.0 mg/oz versus 6.2 mg/oz.
| Mocha Frappuccino | Bottled Frappuccino | |
|---|---|---|
| Serving | 16 oz | 13.7 oz |
| Caffeine per serving | 100 mg | 110 mg |
| Per fl oz | 6.2 mg | 8.0 mg |
| Share of 400 mg/day | 25% | 28% |
| Servings to reach 400 mg | 4.0 | 3.6 |
| Hours until under 50 mg | 5.0 h | 5.7 h |
| Last one for an 11 PM bedtime · standard (50 mg) | 6:00 PM | 5:19 PM |
| Last one for an 11 PM bedtime · sensitive (25 mg) | 1:00 PM | 12:19 PM |
| Share of the 200 mg pregnancy limit | 50% | 55% |
One serving of each, over 16 hours
Common questions
Which has more caffeine, Mocha Frappuccino or Bottled Frappuccino?
Bottled Frappuccino (13.7 oz) has about 110 mg versus 100 mg in Mocha Frappuccino (16 oz): 10 mg more, or 1.1× as much.
Which is stronger per ounce, Mocha Frappuccino or Bottled Frappuccino?
Bottled Frappuccino: about 8.0 mg per fl oz versus 6.2 mg for Mocha Frappuccino. Serving size decides the total you actually drink.
How many Mocha Frappuccino servings equal one Bottled Frappuccino?
About 1.1 servings of Mocha Frappuccino (16 oz) match the caffeine in one Bottled Frappuccino (13.7 oz).
When should I stop drinking Mocha Frappuccino or Bottled Frappuccino before bed?
For an 11 PM bedtime with a 50 mg limit and a 5-hour half-life: last Mocha Frappuccino by 6:00 PM, last Bottled Frappuccino by 5:19 PM. Half-life varies from about 1.5 to 9.5 hours between people.
Method
Caffeine per labeled serving, from the same drink table every calculator here uses (FDA/USDA reference amounts and manufacturer labels; see caffeine content of every drink). Brewed drinks vary batch to batch, so read these as typical values. Decay uses a 5-hour average half-life with a 45-minute absorption ramp; cutoff = bedtime − 5 h × log₂(dose ÷ limit). Percentages use the FDA's 400 mg/day figure for healthy adults and the 200 mg/day limit ACOG gives for pregnancy.
Source — Mocha Frappuccino: Starbucks — Mocha Frappuccino nutrition (Grande), checked 2026-10-13.
Source — Bottled Frappuccino: CSPI caffeine chart (Starbucks Frappuccino, Coffee, 13.7 oz), checked 2026-10-13.