How much caffeine is in Starbucks Grande Latte?
中文：星巴克大杯拿铁
Caffeine content
150 mg
Typical range: 140–160 mg
per 16 fl oz (473 ml)
About this drink
A Starbucks Grande Latte is built on two espresso shots over steamed milk. The Tall (12oz) drops to one shot at ~75 mg; the Venti (20oz) keeps two shots so the caffeine matches the Grande at 150 mg — only the milk volume increases.
Ingredients: Two shots of signature espresso, steamed whole milk
When will it clear your system?
150 mg has a 5-hour half-life. Drinking a Grande Latte at 2pm leaves ~75 mg in your system at 7pm and ~38 mg at midnight — enough to affect deep sleep for many people.
Based on caffeine's 5-hour half-life, a Starbucks Grande Latte consumed at 2:00 PM drops below the sleep-safe threshold (~20 mg) by approximately 04:32 the same evening.
Where this fits in a daily limit
That's roughly 75% of the 200 mg pregnancy guideline and 38% of the 400 mg general adult daily limit. One drink uses most of a pregnancy-safe day.
See our pregnancy caffeine guide or half-life sleep math for the deep dive.
How it compares
| Drink | Caffeine |
|---|---|
Starbucks Grande Latte Starbucks | 150 mg |
| Starbucks Tall Latte Starbucks | 75 mg |
| Starbucks Venti Latte Starbucks | 150 mg |
| Luckin Coconut Latte (Large) Luckin Coffee | 145 mg |
| Starbucks Iced Coffee (Grande) Starbucks | 165 mg |
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Learn more about SipNoteFrequently asked questions
How much caffeine is in a Starbucks Grande Latte?
A 16 fl oz (473 ml) Starbucks Grande Latte contains approximately 150 mg of caffeine. Actual values may range from 140 to 160 mg depending on preparation and source variation.
Is Starbucks Grande Latte safe during pregnancy?
The current ACOG and NHS guideline is under 200 mg of caffeine per day during pregnancy. A single Starbucks Grande Latte uses most of the daily pregnancy allowance. Always consult your obstetrician for personalized advice.
When should I stop drinking Starbucks Grande Latte for sleep?
Caffeine has a 5-hour half-life. To have under 20 mg circulating at bedtime (the typical sleep-safe threshold), stop drinking Starbucks Grande Latte about 15 hours before sleep. 150 mg has a 5-hour half-life. Drinking a Grande Latte at 2pm leaves ~75 mg in your system at 7pm and ~38 mg at midnight — enough to affect deep sleep for many people.
Starbucks Grande Latte vs Starbucks Tall Latte — which has more caffeine?
Starbucks Grande Latte contains 150 mg per serving; Starbucks Tall Latte contains 75 mg per 12 fl oz (355 ml). Starbucks Grande Latte is the stronger of the two.
Does Starbucks Grande Latte keep you awake?
150 mg is moderate caffeine. For sleep-sensitive people, Starbucks Grande Latte after noon may affect sleep onset and quality.
Caffeine values shown are typical for the listed serving size. Actual content varies by preparation, brewing method, batch, and brand reformulation. Not medical advice — consult a healthcare provider for personalized guidance.