45 fl oz ≈ 4.6838 cup (Imperial; in US cups: 45 fl oz = 5.625 US cup). To convert fluid ounces to cups, multiply by 0.10408423: 45 × 0.10408423 = 4.6838.
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: 45 × 0.10408423 = 4.6838.
- Answer: 45 fl oz ≈ 4.6838 cup (rounded to 6 significant figures).
Fluid Ounces to Cups table
| Fluid Ounces (fl oz) | Cups (cup) |
|---|---|
| 40 fl oz | 4.1634 cup |
| 41 fl oz | 4.2675 cup |
| 42 fl oz | 4.3715 cup |
| 43 fl oz | 4.4756 cup |
| 44 fl oz | 4.5797 cup |
| 45 fl oz | 4.6838 cup |
| 46 fl oz | 4.7879 cup |
| 47 fl oz | 4.892 cup |
| 48 fl oz | 4.996 cup |
| 49 fl oz | 5.1001 cup |
| 50 fl oz | 5.2042 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: 45 fl oz = 5.625 US cup.
1 fl oz here is the US fluid ounce (29.5735 mL); a UK fluid ounce is 28.4131 mL.