Cups to Ml

Cups to Milliliters Conversion Formula

To convert US cups to milliliters, use this simple formula:

The US customary cup is defined as 8 US fluid ounces, or exactly 236.5882365 milliliters. Note this differs from the 250 ml metric cup used in Australia and many European recipes.

Step-by-Step Volume Conversion Guide

1. Take your volume in US cups
2. Multiply it by 236.588 (the number of milliliters in one cup)
3. Get your result in milliliters

Common Cups to Milliliters Conversions

Practical Applications of Cups to Ml Converter

• Baking: Converting US recipes that measure flour, sugar and liquids in cups
• Cooking: Scaling recipes and using a metric measuring jug
• Beverages: Measuring coffee, tea and smoothie portions
• Meal prep: Portioning stock, milk and water accurately
• Nutrition: Tracking liquid intake in milliliters

History of the Cup Measure

The cup as a cooking measure was popularized in the US by Fannie Farmer in the late 19th century to standardize recipes. The US customary cup equals 8 US fluid ounces (236.588 ml), the "legal" US cup used on nutrition labels is 240 ml, and the metric cup is 250 ml. Because of these differences, converting cups to milliliters removes ambiguity.

Quick Conversion Tips

For quick approximations, remember: 1 cup ≈ 237 ml, ½ cup ≈ 118 ml and ¼ cup ≈ 59 ml. For precise results, always use the exact factor of 236.588.