A Starbucks plastic cold cup holds 12, 16, 24, or 30 US fl oz—roughly 355 mL, 473 mL, 710 mL, or 887 mL depending on size.
Ordering iced coffee gets easier once you translate Starbucks cup sizes to milliliters. Below is the fast breakdown, plus a deeper guide so you can pick the right cup for ice, mix-ins, and budget without any guesswork.
Starbucks Cup Sizes To ML At A Glance
This table converts every common Starbucks size to milliliters using the standard US fluid-ounce factor of 29.5735 mL per fl oz. Cup types note whether you’ll usually get paper (hot) or plastic (cold) at the counter.
| Size Name | US fl oz | Approx. mL |
|---|---|---|
| Demi (Espresso) | 3 | 89 |
| Short (Hot) | 8 | 237 |
| Tall (Hot/Cold) | 12 | 355 |
| Grande (Hot/Cold) | 16 | 473 |
| Venti Hot | 20 | 591 |
| Venti Cold (Plastic) | 24 | 710 |
| Trenta Cold (Plastic) | 30 | 887 |
How Many ML In A Starbucks Plastic Cup: By Size
Cold drinks come in plastic single-wall cups. If you want the exact milliliter number for the cup you’ll receive, match your size below.
Tall Plastic Cup (12 fl oz ≈ 355 mL)
The tall plastic cup fits small iced coffees, iced lattes, and cold brew. It leaves room for ice while still delivering a full 12 fl oz pour. Good when you want flavor concentration without a long melt time.
Grande Plastic Cup (16 fl oz ≈ 473 mL)
This size balances drink volume and ice dilution. Grande works for most iced recipes, refreshers, and teas. If you’re planning to add cold foam or extra milk, this cup provides enough headroom.
Venti Plastic Cup (24 fl oz ≈ 710 mL)
The classic venti cold cup is the big everyday plastic size. You’ll see it for iced coffee, iced lattes, cold brew, and refreshers. More ice fits in the cup, so sweetness and milk tend to feel lighter unless you add extra syrup or shots.
Trenta Plastic Cup (30 fl oz ≈ 887 mL)
The largest plastic cup shows up for select cold drinks like iced coffee, cold brew, Starbucks Refreshers beverages, and iced teas. It’s huge. If you want miles of sip time or lots of ice for hot days, this is the cup.
Where The Numbers Come From
Starbucks publishes size options on its drink pages. For cold coffee, those listings show tall 12 fl oz, grande 16 fl oz, venti 24 fl oz, and trenta 30 fl oz. The milliliter values above use the widely accepted conversion of 1 US fluid ounce = 29.5735 mL.
Those figures are rounded to whole milliliters for readability and match in-store pours and signage.
Official Size Listings
Cold brew’s menu page lists the four cold sizes, which matches iced latte listings. If you want to see the source, check the Starbucks menu page for Cold Brew size options. For unit math, the US national metrology institute provides the accepted factor; see the NIST conversion factor.
Reusable Plastic Cold Cups
Starbucks also sells reusable single-wall plastic cups. The most common is labeled 24 fl oz, which lines up with the venti cold size. You’ll find that product listed on Starbucks.com with the size stated on the page.
Picking The Right Plastic Cup For Your Drink
Choosing a cup size isn’t just about thirst. Ice level, recipe structure, syrup count, and caffeine goals all play a part. Use these quick rules to choose confidently.
If You Want Stronger Flavor
Go down one size. Less dilution from ice makes espresso and cold brew taste bolder. A grande iced latte with extra ice can feel thinner than a tall with standard ice, even when both list the same espresso shots.
If You Want Less Sugar
Pick the same drink in a bigger cup but skip extra pumps. Many iced recipes keep syrup counts fixed as size increases, which spreads the sweetness over more liquid and ice. That’s a simple way to soften sweetness without changing the flavor profile.
If You Want More Caffeine
For espresso drinks: add an extra shot or switch to a size that raises the default shot count. For brewed cold coffee: upsize to venti or trenta and request “light ice” so more of the cup volume is coffee.
If You Care About Price Per Ounce
Cold cups tend to get cheaper per fluid ounce as you move up. Grande often hits a nice balance of value and drink character; venti stretches value further for tea and cold brew. Trenta maximizes sipping time, but not every drink is offered in that size.
Ice, Fill Lines, And What Fits In The Cup
Baristas build iced beverages to established lines on the plastic cup. Those lines anchor proportions for coffee, milk, water, and syrups. You can change the experience by adjusting ice and toppings while keeping the same cup.
Ordering Less Ice
Less ice means more beverage in the same cup, which makes drinks sweeter or stronger. Try “light ice” if melted dilution throws off your late-day sips.
Cold Foam, Cream, And Extras
Cold foam sits on top, taking space inside the cup. If you love a tall with cold foam but want longer sipping time, step up to grande so the drink still tastes balanced after the first few minutes.
Room For Milk Or Water
Iced americanos and cold brew concentrate can be finished with water or milk. Ask the barista to leave room, or size up so there’s space under the lid after ice and base liquid go in.
How Many ML In A Starbucks Plastic Cup? (Exact Phrasing Answered)
You may be typing “how many ml in a starbucks plastic cup?” into your phone while you’re in line. Here’s the clean, fast mapping: tall 355 mL, grande 473 mL, venti 710 mL, trenta 887 mL. Those numbers come straight from the ounce listings on Starbucks drink pages converted by the NIST factor.
Regional Notes And Menu Limits
Not every country sells every size. Some regions don’t carry trenta, and some drinks cap at venti. In stores that don’t list a given size, the plastic cup won’t be available for that drink. Menu pages show the sizes offered for each beverage at your selected store.
When You’ll Still Get Paper
Hot beverages come in paper cups across sizes from short to venti. If you ask for a hot drink in a plastic cup, the store may decline for safety and quality reasons, since single-wall plastic cold cups are intended for iced recipes.
When You’ll See Specialty Plastic
Seasonal cold cups and color-changing reusable cups share the same working volumes as the standard cold sizes. The material and design change; the ounce measure stays the same.
Practical Ordering Scenarios
These quick cues map everyday needs to a plastic cup size so you can order without second-guessing.
“I Want A Long Walk Drink”
Choose a venti plastic cup for iced coffee or tea, then request light ice. You’ll carry more actual beverage and the drink stays refreshing as the ice melts.
“I Want Espresso Flavor To Pop”
Go tall for iced lattes and ask for fewer ice cubes. The smaller cup keeps ratio tight, and the lighter ice load shifts the balance toward milk and espresso.
“I’m Sharing”
Pick a trenta plastic cup for iced tea or a refresher and grab an extra straw. That volume makes sense when two people are sipping between stops.
Cold Cup Care And Materials
Single-use plastic cold cups handed over the counter are designed for beverages served over ice. Starbucks has been slimming the plastic in those cups to reduce material while keeping performance, and the company continues to test shapes and lids with barista feedback.
Reusable Plastic Cold Cups
If you bring a venti reusable cold cup from Starbucks, it’s sized for 24 fl oz and works perfectly for iced recipes. It’s top-rack dishwasher-safe, which makes daily use simple.
Second Table: Plastic Cup Sizes Only
Here are the milliliter equivalents for the plastic cold cups only, so you can pick fast with zero confusion.
| Plastic Cup | US fl oz | Approx. mL |
|---|---|---|
| Tall Cold Cup | 12 | 355 |
| Grande Cold Cup | 16 | 473 |
| Venti Cold Cup | 24 | 710 |
| Trenta Cold Cup | 30 | 887 |
Quick Tips So Your Drink Tastes Right
Mind The Ice Ratio
Ice takes space. Ask for “light ice” if flavor feels thin as it melts. Ask for “extra ice” when you want crisp, cold sips and slower dilution.
Match Syrup To Size
If a grande refresher tastes just right, a venti may need an extra pump or two to keep the same flavor strength. Dial it back if you’re reducing sugar.
Use Size To Control Caffeine
Brewed cold coffee brings more total caffeine as size climbs. For espresso drinks, add a shot instead of jumping to a bigger cup if you want a stronger profile without more ice or milk.
Why This Guide Uses “US fl oz”
Starbucks US menu listings are published in US fluid ounces, which convert to mL using a fixed factor. That’s why your mL math here lines up with the packaging on Starbucks reusable cold cups and the pour volumes baristas follow in stores.
How Many ML In A Starbucks Plastic Cup? (Recap)
If you only need the quick answer to “how many ml in a starbucks plastic cup?”, match your size to this line: tall 355 mL, grande 473 mL, venti 710 mL, trenta 887 mL. Pick the cup that suits your flavor and ice goals, then tweak sweetness and shots to taste.