Quick answer: 1 US cup = 8 US fluid ounces (fl oz). For dry ingredients, use grams via a scale; volume-to-weight varies by ingredient.
This page covers
- Exact conversion: cups ↔ ounces
- Tables for common kitchen amounts
- How to convert with a formula
- FAQs
US Cups to Ounces (Fluid)
| Cups | Ounces |
|---|---|
| 1/4 cup | 2 fl oz |
| 1/3 cup | 2.67 fl oz |
| 1/2 cup | 4 fl oz |
| 1 cup | 8 fl oz |
| 2 cups | 16 fl oz |
Formula
ounces = cups × 8 (US fluid ounces)
Examples
- 2.5 cups × 8 = 20 fl oz
- 0.75 cup × 8 = 6 fl oz
FAQs
Are UK and US cups the same?
No. This page uses US cup (236.588 mL). UK/metric cups often use 250 mL.
Is an ounce weight or volume?
Here we’re using fluid ounces (volume). Weight ounces (oz) differ by ingredient density.