How Many Cups in 8 Ounces?
1 cup
There is 1 cup in 8 fluid ounces.
UK: 8 imperial fluid ounces (227.3 ml) = 0.9092 metric cup
Exact: 8 fl oz = 236.5882365 ml
Step by step
See the one-line calculation for 8 fluid ounces in cups, then the same amount in other units and a chart of nearby values.
- Begin with 8 fluid ounces.
- One US cup is 8 fluid ounces, so divide by 8.
- 8 ÷ 8 = 1 cup.
8 fluid ounces in other units
In other units, 8 fluid ounces equals:
8 fl oz is exactly one US cup. Source: NIST Handbook 44 (2026), Appendix C.
Ounces to cups near 8
| Ounces | Cups |
|---|---|
| 2 fl oz | one quarter |
| 3 fl oz | three eighths |
| 4 fl oz | one half |
| 5 fl oz | five eighths |
| 6 fl oz | three quarters |
| 8 fl oz | 1 |
| 10 fl oz | 1 and one quarter |
| 12 fl oz | 1 and one half |
| 16 fl oz | 2 |
| 16.9 fl oz | 2.113 |
| 20 fl oz | 2 and one half |
Questions about 8 fluid ounces
How many cups are in 8 fluid ounces?
8 fluid ounces is 1 cup, which is also 16 tbsp.
Is 8 fluid ounces the same in the UK?
Not exactly. UK recipes use the imperial fluid ounce (28.41 ml) and the metric cup (250 ml), so 8 fluid ounces comes to 0.9092 metric cup. US recipes use the US sizes.
What is half of 8 fluid ounces in cups?
Half of 8 fluid ounces is 4 fluid ounces, which equals 1/2 cup.
Go to the ounces to cups converter for any other value.
Sources: Unit definitions: NIST Handbook 44 · Last reviewed · Report an error
https://howmanyounces.com/ounces-to-cups/8-oz/