Coffee
Caffeine in Starbucks Cold Brew (Grande)
Analyzing the caffeine content, clearance timeline, and sleep impact of Starbucks Cold Brew (Grande).
Caffeine Quick Facts
Caffeine Amount 205 mg
Serving Size 16 oz
Category Coffee
Brand Starbucks
Comparison & Strength
A serving of Starbucks Cold Brew (Grande) has 205 mg of caffeine.
3.3x Espresso Shots (63mg)
2.2x Drip Coffee Cups (95mg)
Estimated Clearance Timeline
Assuming an average adult half-life of ~5 hours:
5 Hours Later → ~103 mg left
10 Hours Later → ~51 mg left
15 Hours Later → ~26 mg left
Interactive Timeline Calculator
Track how drinking Starbucks Cold Brew (Grande) fits into your day and affects your bedtime. Adjust your bedtime or add other drinks below.
Your drinks today
No drinks added yet. Add a drink to get started.
Drink
Total today0 mg
Estimated Peak—
At bedtime—
Cutoff time—
Calculations assume an average adult caffeine half-life of approximately 5 hours and an estimated absorption period of around 45 minutes. Individual responses to caffeine may vary.