Milk: Cups to Ounces Converter
1 cup (cup) equals 8.5362987918 ounces (oz).
Quick answer
One US cup of milk weighs about 8.54 ounces (weight), not 8 oz: 8 oz is the volume of a cup in fluid ounces.
- 1 cup = 8.536298792 ounces
- 1 ounce = 0.1171467898 cups
- Formula: oz = cup × 8.5362987918
- Quick estimate: 1 cup ≈ 8.54 oz by weight.
1 cup = 8.536298792 ounces
How to convert cups to ounces
oz = cup × 8.5362987918
To convert cups to ounces, multiply the number of cups by 8.5362987918.
Example: 1.25 cup to oz
- Start with the value in cups: 1.25 cup.
- Multiply by 8.5362987918: 1.25 × 8.5362987918 = 10.67037349.
- Result: 1.25 cups = 10.67037349 ounces.
Going the other way, 1 ounce = 0.117146789773 cups, so to convert ounces back to cups you divide by the same number. See ounces to cups.
Where the conversion factor comes from
Cups and spoons measure volume, while grams measure weight, so there is no single cups-to-grams factor: it depends on how dense the ingredient is. Whole cow's milk is slightly denser than water. By standard baking reference weights, one level US cup (236.6 mL) of milk weighs about 242 g (8.54 oz), or 1.02 g per milliliter.
Measure in a liquid measuring cup at eye level.
Mental math: cup to oz in your head
Multiply cups by 8.54 for weight ounces.
When you need to convert cups to ounces
- Recipes and packages in the US that give weights in ounces.
Common mistakes
- Confusing weight ounces with fluid ounces: 1 cup is always 8 fl oz, but its weight depends on the ingredient.
Everyday cups in ounces
| Example | Cups | Ounces |
|---|---|---|
| ¼ cup | 0.25 cup | 2.1341 oz |
| ½ cup | 0.5 cup | 4.2681 oz |
| 1 cup | 1 cup | 8.5363 oz |
| 2 cups | 2 cup | 17.073 oz |
Cups to ounces conversion table
| Cups (cup) | Ounces (oz) |
|---|---|
| 0.125 cup | 1.067037349 oz |
| 0.25 cup | 2.134074698 oz |
| 0.5 cup | 4.268149396 oz |
| 0.75 cup | 6.402224094 oz |
| 1 cup | 8.536298792 oz |
| 1.25 cup | 10.67037349 oz |
| 1.5 cup | 12.80444819 oz |
| 1.75 cup | 14.93852289 oz |
| 2 cup | 17.07259758 oz |
| 2.5 cup | 21.34074698 oz |
| 3 cup | 25.60889638 oz |
| 4 cup | 34.14519517 oz |
| 5 cup | 42.68149396 oz |
| 6 cup | 51.21779275 oz |
| 8 cup | 68.29039033 oz |
What is a cup?
A US cup of milk weighs about 242 grams (8.54 oz).
What is an ounce?
The ounce here is a weight (1/16 lb), not a fluid ounce.
Convert cups to other units
Convert other units to ounces
Frequently asked questions
How many ounces are in a cup?
One cup is 8.536298792 ounces.
How many cups are in an ounce?
One ounce is 0.1171467898 cups.
What is the formula to convert cups to ounces?
oz = cup × 8.5362987918.
How many ounces is 1 cup of milk?
About 8.54 oz by weight (8 fl oz by volume).