3.1 fl oz ≈ 0.322661 cup (Imperial; in US cups: 3.1 fl oz = 0.3875 US cup). To convert fluid ounces to cups, multiply by 0.10408423: 3.1 × 0.10408423 = 0.322661.
How to convert fluid ounces to cups
cup = fl oz × 0.10408423
- 1 fl oz = 0.10408423 cup (and 1 cup = 9.6076036 fl oz).
- Multiply the amount by the factor: 3.1 × 0.10408423 = 0.322661.
- Answer: 3.1 fl oz ≈ 0.322661 cup (rounded to 6 significant figures).
Fluid Ounces to Cups table
| Fluid Ounces (fl oz) | Cups (cup) |
|---|---|
| 2.6 fl oz | 0.270619 cup |
| 2.7 fl oz | 0.281027 cup |
| 2.8 fl oz | 0.291436 cup |
| 2.9 fl oz | 0.301844 cup |
| 3 fl oz | 0.312253 cup |
| 3.1 fl oz | 0.322661 cup |
| 3.2 fl oz | 0.33307 cup |
| 3.3 fl oz | 0.343478 cup |
| 3.4 fl oz | 0.353886 cup |
| 3.5 fl oz | 0.364295 cup |
| 3.6 fl oz | 0.374703 cup |
| fl oz | cup |
|---|---|
| 1 fl oz | 0.104084 cup |
| 5 fl oz | 0.520421 cup |
| 10 fl oz | 1.0408 cup |
| 50 fl oz | 5.2042 cup |
| 100 fl oz | 10.4084 cup |
| 1,000 fl oz | 104.084 cup |
Good to know
The cup here is the Imperial (UK) cup: 1 cup = 0.28413 L. A US cup is 0.236588 L.
In US cups: 3.1 fl oz = 0.3875 US cup.
1 fl oz here is the US fluid ounce (29.5735 mL); a UK fluid ounce is 28.4131 mL.