Convert Milliliters to Cups (US)

How to convert milliliters to cups

A milliliter is a thin slice of a cup: 1 mL = 0.00422675 US cups. The factor is anchored to an exact definition — the US customary cup is 8 US fluid ounces, which is 236.5882365 mL precisely — so there is no approximation hiding underneath.

1. Start with your milliliter amount.
2. Multiply by 0.00422675, or divide by 236.588 — both give the same answer.
3. Round to a fraction you can actually measure.

Worked example: a French dessert recipe calls for 250 mL of cream, and 250 × 0.00422675 = 1.0567 cups.

What is a milliliter?

A milliliter is one thousandth of a liter, built with the milli- prefix standardized in the BIPM’s SI Brochure; since a liter is one cubic decimeter, a milliliter is the volume of a single cubic centimeter. It is the small-volume unit almost everywhere on Earth — printed on drink cans, medicine droppers, and virtually every recipe published outside the United States.

What is a cup (US)?

The cup in American kitchens is the US customary cup: 8 US fluid ounces, or 236.5882365 mL exactly, a definition that descends from the 231-cubic-inch US gallon. It is a cooking measure rather than a scientific one, ubiquitous in US recipes and sold as nested measuring sets in every American housewares aisle. Nutrition labels use a slightly different rounded value — the US legal cup of 240 mL — which is close but not identical.

When you’ll need mL to cups

• Cooking metric recipes with American measuring cups: a European cookbook lists 200 mL of stock; that’s 0.8454 cup, so fill your one-cup measure most of the way and stop.
• Coffee brewing ratios: specialty brewing guides give water in milliliters. If a pour-over recipe wants 500 mL, that’s 2.1134 cups on a carafe marked the American way.
• Decoding drink packaging: a 350 mL bottle of juice equals 1.4794 cups — useful when a punch recipe written in cups meets a fridge full of metric containers.
• Meal-prep portions: a plan that specifies 150 mL of dressing or smoothie base per serving translates to 0.634 cup, so you can portion with the tools you already own.
• Knowing when cups are the wrong tool: tiny quantities such as 15 mL (0.0634 cup) or 30 mL (0.1268 cup) make no sense as cup fractions — grab measuring spoons for those, and save the cup measure for amounts like 75 mL (0.317 cup) and up.