US Cups to Milliliters
One US cup equals 236.588236 milliliters.
Milliliters = US cups × 236.5882365
Volume Conversion Calculator
Common Volume Conversions
Cooking & Baking Reference
Cooking Basics
- • 1 cup = 16 tablespoons = 48 teaspoons
- • 1 tablespoon = 3 teaspoons
- • 1 cup = 8 fluid ounces
- • 1 pint = 2 cups = 16 fluid ounces
Baking Conversions
- • 1 cup flour ≈ 120-125g
- • 1 cup sugar ≈ 200g
- • 1 cup butter ≈ 227g
- • 1 cup milk ≈ 240ml
International
- • 1 US cup = 236.588 ml
- • 1 UK cup = 284.131 ml
- • 1 metric cup = 250 ml
- • 1 Japanese cup = 200 ml
Volume Units Reference
Metric System
- 1 m³ = 1,000 liters
- 1 liter = 1,000 ml
- 1 liter = 1 dm³
- 1 ml = 1 cm³
US Customary
- 1 gal = 4 quarts
- 1 quart = 2 pints
- 1 pint = 2 cups
- 1 cup = 8 fl oz
Key Conversions
- 1 US gal = 3.785 L
- 1 UK gal = 4.546 L
- 1 cup = 236.6 ml
- 1 fl oz = 29.57 ml
US Cups to Milliliters Conversion Table
| cup | ml |
|---|---|
| 0.125 | 29.5735 |
| 0.25 | 59.1471 |
| 0.333 | 78.7839 |
| 0.5 | 118.2941 |
| 0.667 | 157.8044 |
| 0.75 | 177.4412 |
| 1 | 236.5882 |
| 1.5 | 354.8824 |
| 2 | 473.1765 |
| 2.5 | 591.4706 |
| 3 | 709.7647 |
| 4 | 946.3529 |
| 6 | 1419.5294 |
| 8 | 1892.7059 |
| 10 | 2365.8824 |
About This Conversion
Cups to milliliters is the single most error-prone conversion in cooking, because "cup" is not one unit. A US customary cup is 236.59 ml, a US legal cup used on nutrition labels is 240 ml, a metric cup is 250 ml, and an old imperial cup is 284 ml.
This converter uses the US customary cup of 236.59 ml, which is what American recipes mean. Across a recipe calling for four cups, the difference between that and a 250 ml metric cup is 54 ml, over three tablespoons, which is enough to change the texture of a batter or dough.
Frequently Asked Questions
How many ml is 1 cup?
A US customary cup is 236.59 ml. A metric cup is 250 ml and a US legal cup is 240 ml.
How many ml is half a cup?
Half a US cup is 118.29 ml.
Which cup do American recipes mean?
The US customary cup of 236.59 ml, though many cookbooks round it to 240 ml.
Does a cup of flour weigh the same as a cup of water?
No. A cup is a volume. A cup of water is about 237 g while a cup of flour is roughly 120 to 130 g.
Worth Knowing
US Gallon vs Imperial Gallon
A US gallon is 3.785411784 litres and an imperial (UK) gallon is 4.54609 litres, making the imperial gallon about 20.1 percent larger.
Cup Sizes Explained
A US customary cup is 236.59 mL, a US legal cup is 240 mL, a metric cup is 250 mL and a historic imperial cup is 284 mL.
Fluid Ounce vs Ounce
A US fluid ounce is 29.5735 millilitres of volume, while an ounce is 28.3495 grams of mass; there is no fixed conversion between them.
Cups to Grams for Baking
One US cup holds about 125 g of plain flour, 200 g of granulated sugar, 227 g of butter and 340 g of honey.