
How Many Ounces Are in a Large McDonald's Coffee?
Quick Answer
A large McDonald's coffee contains 20 ounces of coffee. The chain offers three main sizes: small (12 oz), medium (16 oz), and large (20 oz). The large size provides the most coffee per dollar and stays hot longer. For this reason, it is ideal for those needing an extended caffeine boost.
Key Takeaways
- Large McDonald's coffee holds exactly 20 ounces.
- Small size is 12 ounces; medium is 16 ounces.
- Larger sizes offer better value per ounce.
- McDonald's coffee prices beat most competitors.
- Sizes stay consistent year-round despite seasonal flavors.
That moment when you're standing in line at McDonald's, bleary-eyed and desperate for caffeine... I've been there too many times. The menu board shows small, medium, and large coffee options, but what does "large" actually mean?
As someone who needs that morning brew to function properly, I decided to get the facts about McDonald's coffee sizes. Let me share what I learned about their 20-ounce large cup.
What are McDonald's Coffee Sizes

McDonald's keeps things straightforward with their coffee sizes. No fancy names or complicated options - just three standard sizes that make ordering simple.
Small Coffee: The Quick Fix (12 oz)
The small McDonald's coffee comes in at 12 ounces. It's about the size of a standard coffee mug you might have at home. This size works great for a quick caffeine hit or for those who don't want too much coffee at once.
It's also the most budget-friendly option if you're keeping an eye on your spending. The small size delivers enough caffeine to get your morning started without going overboard.
Medium Coffee: The Balanced Option (16 oz)
The medium size offers 16 ounces of coffee - a step up from the small but not as hefty as the large. This middle-ground option gives you a bit more coffee to enjoy without committing to the full large size.
Many regular McDonald's customers prefer this size for its balance between price and quantity. It provides enough coffee to last through a morning meeting or class without needing an immediate refill.
Large Coffee: The Full Experience (20 oz)

Now for the main attraction - the large McDonald's coffee contains a generous 20 ounces of brew. That's equivalent to 2.5 cups of standard home-brewed coffee. This size means business for serious coffee drinkers.
The large size has become increasingly popular among McDonald's patrons who need their coffee to last longer or want maximum value for their money. According to McDonald's Corporation, which operates over 41,000 restaurants worldwide, standardized sizing helps maintain consistency across their global operations.
The Value of a Large McDonald's Coffee
When deciding which size to order, many factors come into play beyond just how much coffee you want to drink.
Cost-Effectiveness
The large coffee at McDonald's typically offers the best value per ounce. Though prices vary by location, the large generally costs less per ounce than the small or medium sizes.
For example, if a small 12-ounce coffee costs $1.29, that's about 10.8 cents per ounce. A large 20-ounce coffee might cost $1.79, which works out to only 9 cents per ounce. This pricing structure follows a common retail strategy - bulk purchases save money.
This math makes the large size appealing for budget-conscious coffee drinkers who know they'll finish the whole cup.
Temperature Retention Benefits
A larger coffee stays hot longer due to basic physics - the larger volume of liquid retains heat better than a smaller amount. This means your large McDonald's coffee will stay warm throughout a long morning meeting or commute.
For those who sip slowly or get distracted easily, this temperature retention becomes a significant advantage of choosing the large size over smaller options.
How McDonald's Coffee Compares to Competitors

The coffee landscape is competitive, with major chains fighting for customer loyalty. How does McDonald's stack up?
Size Comparison with Other Coffee Chains
McDonald's large 20-ounce coffee is comparable to the sizes offered by other major chains, though the naming conventions differ:
- McDonald's: Large = 20 oz
- Starbucks: Grande = 16 oz, Venti = 20 oz
- Dunkin': Large = 20 oz
One advantage of McDonald's sizing is its simplicity - small, medium, and large are straightforward terms compared to Starbucks' Italian-inspired naming system that can confuse first-time customers.
Price Advantages of McDonald's Coffee
McDonald's typically offers more affordable prices than specialty coffee shops. A large McDonald's coffee often costs significantly less than a comparable size at Starbucks or even Dunkin'.
This price difference has helped McDonald's capture a substantial share of the morning coffee market, especially among price-sensitive consumers who still want quality coffee.


Conclusion
Next time you're at McDonald's and need that caffeine fix, you'll know exactly what you're getting with each size option. The large 20-ounce coffee offers the most bang for your buck and stays hot longer - a bonus for busy mornings. Happy caffeinating!
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Frequently Asked Questions (FAQ)
How much caffeine is in a large McDonald's coffee?
A large 20-ounce McDonald's coffee contains approximately 180 mg of caffeine. This amount varies slightly based on the blend and brewing methods, but it's enough to provide a significant energy boost.
Can I get a refill on my large McDonald's coffee?
McDonald's refill policy varies by location. Some stores offer free or discounted refills if you dine in, but this isn't a company-wide policy. It's best to ask at your local restaurant.
Does McDonald's offer extra-large coffee sizes?
No, McDonald's standard menu in the US includes only small (12 oz), medium (16 oz), and large (20 oz) sizes. They don't offer an extra-large option beyond the 20-ounce large cup.
Is McDonald's large coffee the same size as their large soft drinks?
No, McDonald's beverage sizing differs between coffee and soft drinks. A large coffee is 20 ounces, but a large soft drink is typically 30 ounces.
Are McDonald's coffee cups recyclable?
Most McDonald's hot coffee cups are made with paper but lined with plastic. That is why it is difficult to recycle in many facilities. Check your local recycling guidelines to see if they accept these types of cups.
Do Coffee Sizes Change with Seasonal Flavors?
The actual cup sizes (small - 12 oz, medium - 16 oz, large - 20 oz) remain consistent year-round, even when McDonald's introduces seasonal flavors like pumpkin spice or peppermint mocha.
About The Author
This article was written by the Lifeboost writing team based on current research about coffee serving sizes and caffeine content. We referenced information from trusted sources including McDonald's corporate information and independent caffeine studies.
Disclaimer: The information provided about McDonald's coffee sizes and prices may vary by location and is subject to change without notice.
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