81.2 fl oz ≈ 8.4516 cup (Imperial; in US cups: 81.2 fl oz = 10.15 US cup). To convert fluid ounces to cups, multiply by 0.10408423: 81.2 × 0.10408423 = 8.4516.
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: 81.2 × 0.10408423 = 8.4516.
- Answer: 81.2 fl oz ≈ 8.4516 cup (rounded to 6 significant figures).
Fluid Ounces to Cups table
| Fluid Ounces (fl oz) | Cups (cup) |
|---|---|
| 80.7 fl oz | 8.3996 cup |
| 80.8 fl oz | 8.41 cup |
| 80.9 fl oz | 8.4204 cup |
| 81 fl oz | 8.4308 cup |
| 81.1 fl oz | 8.4412 cup |
| 81.2 fl oz | 8.4516 cup |
| 81.3 fl oz | 8.462 cup |
| 81.4 fl oz | 8.4725 cup |
| 81.5 fl oz | 8.4829 cup |
| 81.6 fl oz | 8.4933 cup |
| 81.7 fl oz | 8.5037 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: 81.2 fl oz = 10.15 US cup.
1 fl oz here is the US fluid ounce (29.5735 mL); a UK fluid ounce is 28.4131 mL.