Updated May 31, 2026

Cups to Milliliters Converter

One US cup equals 236.588 milliliters. Multiply the number of cups by 236.588 to convert to milliliters. For example, 2 cups = 473.176 mL and 0.5 cups = 118.294 mL.

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Common Conversions

Key Takeaways

  • 1 US cup = 236.588 mL. Multiply cups by 236.588 to get milliliters.
  • 1 metric cup (Australia) = 250 mL. 1 US legal cup (nutrition labels) = 240 mL.
  • 1 liter equals approximately 4.227 US cups.
  • For baking, use exact conversions. For cooking, rounding to 237 mL per cup is fine.
  • Common values: 1/4 cup = 59 mL, 1/2 cup = 118 mL, 3/4 cup = 177 mL.

How Do You Convert Cups to Milliliters?

Multiply the number of cups by 236.588 to get milliliters. The formula is: Milliliters = Cups x 236.588. To convert in the other direction, divide milliliters by 236.588 to get cups. This conversion uses the US customary cup, which is the standard cup measurement in American recipes and cookbooks.

Leah Novak at Rise & Shine Bakery in Pinewood Falls converts between cups and milliliters whenever she adapts international recipes. A French croissant recipe calls for 350 mL of whole milk. She divides: 350 / 236.588 = 1.48 cups, which she rounds to 1 and 1/2 cups for her measuring cup. For precise pastry work, she uses a kitchen scale instead.

Common Cup to Milliliter Conversions

The table below lists the cup measurements that appear most often in recipes, along with their milliliter equivalents. These values use the US customary cup (236.588 mL).

Cups Milliliters Notes
1/8 cup29.6 mL2 tablespoons
1/4 cup59.1 mL4 tablespoons
1/3 cup78.9 mL5 tbsp + 1 tsp
1/2 cup118.3 mL8 tablespoons
2/3 cup157.7 mL10 tbsp + 2 tsp
3/4 cup177.4 mL12 tablespoons
1 cup236.6 mLStandard US cup
1.5 cups354.9 mL12 fl oz
2 cups473.2 mL1 US pint
4 cups946.4 mL1 US quart

When Do You Need This Conversion?

Cup to milliliter conversions are essential whenever you work with recipes, nutrition information, or products from countries that use the metric system. Here are the most common scenarios.

Adapting International Recipes

Marco Ferreira grew up with his grandmother's Italian recipes, all measured in milliliters and grams. At Marco's Kitchen in Pinewood Falls, his staff measures in cups. His grandmother's ragu calls for 700 mL of San Marzano tomatoes. Dividing by 236.588 gives 2.96 cups, so he tells his line cooks to use 3 cups. For his signature tiramisu, the precision matters more, and he measures the espresso in milliliters.

Using Metric Kitchen Equipment

Many modern kitchen tools (graduated cylinders, sous vide circulators, espresso machines) display volume in milliliters. Tom Brewer bought a pour-over coffee dripper that recommends 300 mL of water. That's 300 / 236.588 = 1.27 cups. He just fills his cup measure a quarter past the 1-cup line. His engineering background makes him appreciate the precision of metric units.

Comparing Product Sizes

Imported beverages and products often list volume in milliliters. A 330 mL can of European soda equals 330 / 236.588 = 1.39 cups, slightly less than a standard 12 fl oz (355 mL) American can. Maya Singh noticed this when comparing drink sizes for a consumer math assignment at school.

Three different "cup" measurements exist, and using the wrong one can throw off a recipe. Understanding which cup a recipe means prevents mistakes, especially in baking where precision matters most.

Cup Type Volume (mL) Where Used
US customary cup236.588 mLAmerican recipes, cookbooks
US legal cup240 mLUS nutrition labels (FDA)
Metric cup250 mLAustralia, New Zealand, Canada
Japanese cup200 mLJapanese cooking
Imperial cup (historical)284 mLOlder British recipes

For most cooking, the differences between these cup sizes are small enough that they will not ruin a dish. But for baking, the gap adds up. Priya Patel once tried an Australian pavlova recipe using US cups and ended up with 4 tablespoons less liquid than intended across the recipe. The result was a cracked meringue. She now converts Australian recipes to milliliters first, then to US cups using this converter.

For related conversions, try the ounces to cups converter for fluid ounce conversions, the pounds to kilograms converter for weight conversions in recipes, or the fraction calculator for working with recipe measurements like 3/4 cup or 2/3 cup.

This converter uses the US customary cup (236.588 mL). If your recipe uses metric cups (250 mL) or US legal cups (240 mL), adjust accordingly. For precise baking, a kitchen scale measuring in grams is more accurate than volume conversions.


Related Calculators

Frequently Asked Questions

How many milliliters are in a cup?

One US customary cup equals 236.588 milliliters. For quick mental math, you can round to 237 mL. A US legal cup (used on nutrition labels) equals 240 mL, and a metric cup equals 250 mL.

What is the difference between a US cup and a metric cup?

A US customary cup equals 236.588 mL. A metric cup (used in Australia, New Zealand, and some other countries) equals exactly 250 mL. A US legal cup (used on US nutrition labels) equals 240 mL. This converter uses the US customary cup.

How do I convert milliliters to cups?

Divide the number of milliliters by 236.588. For example, 500 mL divided by 236.588 equals approximately 2.11 cups. You can also click the swap button in the calculator above to convert from mL to cups.

Why do international recipes use milliliters instead of cups?

Most countries outside the United States use the metric system, where milliliters and liters are the standard volume measurements. Milliliters are also more precise than cups because they do not require fractions for most common amounts.

Is 250 mL the same as 1 cup?

Not exactly. 250 mL equals one metric cup (used in Australia), but a US cup is 236.588 mL. The difference is about 13 mL, or roughly one tablespoon. For most cooking, this small difference will not affect the result. For baking, use the exact conversion.

How many cups are in a liter?

One liter (1,000 mL) equals approximately 4.227 US cups. For a quick estimate, think of a liter as just over 4 cups.

How often do people need to convert cups to milliliters?

Home cooks and bakers use this conversion regularly when following international recipes or using metric kitchen equipment. Professional chefs and bakers may convert multiple times per day. It also comes up when comparing product sizes from different countries or interpreting nutrition labels that list serving sizes in milliliters.