How much caffeine is in Dunkin' Medium Coffee?
中文：Dunkin' 中杯咖啡
Caffeine content
210 mg
Typical range: 200–220 mg
per 14 fl oz (414 ml)
About this drink
Dunkin' brews their coffee stronger per ounce than Starbucks does for drip. A medium Dunkin' coffee has roughly 25% more caffeine than the equivalent Starbucks Grande Pike Place, despite Starbucks's roast-darker-equals-stronger reputation.
Ingredients: Brewed coffee
When will it clear your system?
210 mg is over half the FDA's daily 400 mg recommended limit in a single cup. Avoid afternoon if you want clean sleep.
Based on caffeine's 5-hour half-life, a Dunkin' Medium Coffee consumed at 2:00 PM drops below the sleep-safe threshold (~20 mg) by approximately 06:58 the same evening.
Where this fits in a daily limit
That's already over the 200 mg pregnancy guideline and 53% of the 400 mg general adult daily limit. Single-drink dose is meaningful.
See our pregnancy caffeine guide or half-life sleep math for the deep dive.
How it compares
| Drink | Caffeine |
|---|---|
Dunkin' Medium Coffee Dunkin' | 210 mg |
| Starbucks Pike Place (Grande) Starbucks | 310 mg |
| Tim Hortons Large Coffee Tim Hortons | 200 mg |
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Learn more about SipNoteFrequently asked questions
How much caffeine is in a Dunkin' Medium Coffee?
A 14 fl oz (414 ml) Dunkin' Medium Coffee contains approximately 210 mg of caffeine. Actual values may range from 200 to 220 mg depending on preparation and source variation.
Is Dunkin' Medium Coffee safe during pregnancy?
The current ACOG and NHS guideline is under 200 mg of caffeine per day during pregnancy. A single Dunkin' Medium Coffee already exceeds the 200 mg pregnancy guideline — best avoided during pregnancy or limited to half the serving. Always consult your obstetrician for personalized advice.
When should I stop drinking Dunkin' Medium Coffee for sleep?
Caffeine has a 5-hour half-life. To have under 20 mg circulating at bedtime (the typical sleep-safe threshold), stop drinking Dunkin' Medium Coffee about 17 hours before sleep. 210 mg is over half the FDA's daily 400 mg recommended limit in a single cup. Avoid afternoon if you want clean sleep.
Dunkin' Medium Coffee vs Starbucks Pike Place (Grande) — which has more caffeine?
Dunkin' Medium Coffee contains 210 mg per serving; Starbucks Pike Place (Grande) contains 310 mg per 16 fl oz (473 ml). Starbucks Pike Place (Grande) is the stronger of the two.
Does Dunkin' Medium Coffee keep you awake?
210 mg is high caffeine. For sleep-sensitive people, Dunkin' Medium Coffee 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.