13 Cup (US) to Fluid Ounce (US)
Quick answer
13 Cup (US) (cup) equals
104 fl oz
To convert 13 Cup (US)s to Fluid Ounce (US)s, multiply by 8. Therefore, 13 Cup (US) (cup) equals 104 Fluid Ounce (US) (fl oz).
Formula: fl oz = cup × 8. Calculation: 13 × 8 = 104 fl oz.
Convert Cup (US) (cup) to Fluid Ounce (US) (fl oz) online with our free unit converter. In volume, 1 cup = 8 fl oz. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Cup (US) to Fluid Ounce (US)
- Step 1 — start with the formula. fl oz = cup × 8
- Step 2 — substitute your figure. 13 cup × 8
- Step 3 — read the result. 13 cup = 104 fl oz
- Step 4 — check it in reverse. cup = fl oz × 0.125 returns 13 cup, which matches the figure you started with.
Volume Converter
40 units available
13 cup = 104 fl oz
Formula:
fl oz = cup × 8With your value: 13 cup = 104 fl oz
How big is that?
Everyday references on a logarithmic scale, all expressed in cup (us) so you can sanity-check the result.
Other Cup (US) to Fluid Ounce (US) conversions
Cup (US) to Fluid Ounce (US) Conversion Table
| Cup (US) (cup) | Fluid Ounce (US) (fl oz) |
|---|---|
| 0.5 | 4 |
| 1 | 8 |
| 2 | 16 |
| 5 | 40 |
| 10 | 80 |
| 15 | 120 |
| 20 | 160 |
| 25 | 200 |
| 50 | 400 |
| 100 | 800 |
| 250 | 2,000 |
| 500 | 4,000 |
| 1000 | 8,000 |
Fluid Ounce (US) to Cup (US) Conversion Table
| Fluid Ounce (US) (fl oz) | Cup (US) (cup) |
|---|---|
| 0.5 | 0.0625 |
| 1 | 0.125 |
| 2 | 0.25 |
| 5 | 0.625 |
| 10 | 1.25 |
| 15 | 1.875 |
| 20 | 2.5 |
| 25 | 3.125 |
| 50 | 6.25 |
| 100 | 12.5 |
| 250 | 31.25 |
| 500 | 62.5 |
| 1000 | 125 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Cup (US) (cup)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Fluid Ounce (US) (fl oz)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Cup (US) to Fluid Ounce (US)
To convert from Cup (US) (cup) to Fluid Ounce (US) (fl oz), multiply the value by 8.
Formula: fl oz = cup × 8
Reverse: cup = fl oz × 0.125
Step-by-Step Example
- Start with your value in Cup (US). For example: 5 cup
- Multiply by the conversion factor: 5 x 8
- The result is: 40 fl oz
Cup (US) and Fluid Ounce (US) Relationship
Both Cup (US) and Fluid Ounce (US) belong to the US Customary / Imperial system, making this an intra-system conversion within volume. Since 1 Cup (US) equals approximately 8 Fluid Ounce (US)s, the Cup (US) represents a larger unit interval than the Fluid Ounce (US). Understanding the relationship between Cup (US) and Fluid Ounce (US) is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Cup (US)
The US cup equals approximately 236.6 mL and is a standard cooking measurement in the United States.
Common uses of Cup (US): baking, cooking, recipes.
About Fluid Ounce (US)
The US fluid ounce equals approximately 29.57 mL. It is commonly used for beverage and liquid measurements.
Common uses of Fluid Ounce (US): beverages, cooking, cocktails.
Frequently Asked Questions
- What is 13 Cup (US) in Fluid Ounce (US)?
- 13 Cup (US) equals 104 Fluid Ounce (US).
- How many Fluid Ounce (US)s are in 1 Cup (US)?
- There are exactly 8 Fluid Ounce (US)s in 1 Cup (US). This means the conversion factor from Cup (US) to Fluid Ounce (US) is 8.
- What is the formula to convert Cup (US) to Fluid Ounce (US)?
- The formula to convert Cup (US) to Fluid Ounce (US) is: fl oz = cup × 8. For example, to convert 10 Cup (US)s to Fluid Ounce (US)s, you would multiply 10 by 8.
- What is a Cup (US)?
- The US cup equals approximately 236.6 mL and is a standard cooking measurement in the United States.
- What is a Fluid Ounce (US)?
- The US fluid ounce equals approximately 29.57 mL. It is commonly used for beverage and liquid measurements.
- What are the common uses of Cup (US)?
- The Cup (US) is commonly used in baking, cooking, recipes.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). 13 Cup (US) to Fluid Ounce (US). UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/13-cup_us-to-fluid_ounce_us