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1 Cup in mL: How Many Milliliters in 1 Cup?

1 US Customary Cup equals 236.59 mL. 1 US Legal Cup equals 240 mL. 1 Metric Cup equals 250 mL. Complete international volume guide.

Primary answer1 US Cup = 236.59 mL
Secondary8 Fluid Ounces • 16 Tablespoons • 48 Teaspoons • 0.5 Pint
Metric236.59 mL (US Customary) vs 250.00 mL (Metric Cup)
mL = Cups × 236.588 = 1 × 236.588 = 236.59 mL

Quick conversion matrix

MeasurementEquivalent AEquivalent BEquivalent C
1 US Customary Cup236.59 mL8.00 fl oz16 Tablespoons
1 US Legal FDA Cup240.00 mL8.12 fl ozNutrition Labels
1 Commonwealth Metric Cup250.00 mL8.45 fl ozUK/Australia/NZ
1/2 US Cup118.29 mL4.00 fl oz8 Tablespoons

Chef & measurement rules

01

In American recipes, 1 cup is 236.59 mL (8 fl oz).

02

In Australian, New Zealand, and South African recipes, 1 cup is 250 mL.

03

On American nutrition labels, FDA standards define 1 cup as 240 mL.

How Many Milliliters in 1 Cup?

1 US Customary Cup equals exactly 236.588 milliliters (rounded to 236.59 mL).

However, the definition of a "cup" depends on your recipe origin: American customary cups are 236.59 mL, FDA legal cups are 240 mL, and British/Australian metric cups are 250 mL.

For everyday liquids like water and milk, the 13.4 mL variance between US and metric cups has minimal impact, but in delicate baking, using grams on a digital scale ensures precision.

Frequently Asked Questions

How many mL is 1 US cup?

1 US Customary Cup is 236.59 mL (8 fluid ounces).

Why is an Australian cup 250 mL?

Australia and Commonwealth countries rounded the cup to exactly 250 mL to align with metric units.