Convert US cup (cup US) to fluid ounce (fl oz).
Fluid Ounce to US Cup Converter (fl oz to US cup)
Convert fluid ounce (fl oz) to US cup (cup US).Unit Converter · Volume
Quick answer
1 fluid ounce (fl oz) is equal to 0.125 US cups (US cup). 1 US cup is equal to 8 fluid ounces (fl oz).
To convert fl oz to US cup, multiply the value in fluid ounces by 0.125 (or divide by 8). For example, 10 fl oz = 1.25 US cup, and 100 fl oz = 12.5 US cup.
Quick reference — fluid ounce to US cup
More in Volume
All Volume converters- VolumeOpen
Convert fluid ounce (fl oz) to liter (L).
VolumeOpenConvert fluid ounce (fl oz) to milliliter (mL).
VolumeOpenConvert fluid ounce (fl oz) to US gallon (gal US).
VolumeOpenConvert fluid ounce (fl oz) to cubic meter (m³).
VolumeOpenConvert fluid ounce (fl oz) to US pint (pt US).
VolumeOpenConvert fluid ounce (fl oz) to US quart (qt US).
VolumeOpenConvert fluid ounce (fl oz) to cubic centimeter (cm³).
VolumeOpenConvert fluid ounce (fl oz) to imperial gallon (gal UK).
VolumeOpen
How to convert fluid ounces to US cups
How many US cups are in a fluid ounce? 1 fluid ounce is 0.125 US cups. This free fl oz to US cup converter and fluid ounce to US cup calculator gives the answer instantly for any value.
To convert fluid ounce (fl oz) to US cup (US cup), multiply the value in fluid ounces by 0.125, or divide it by 8.
US cup = fl oz × 0.125
- 1
Take the value in fluid ounces
For example, 25 fl oz.
- 2
Multiply by 0.125
25 × 0.125.
- 3
Read the answer in US cups
25 fl oz = 3.125 US cup.
Fluid Ounce to US Cup conversion table
Common values from 1 to 1,000 fluid ounces converted to US cups.
| Fluid Ounce (fl oz) | US Cup (US cup) |
|---|---|
| 1 fl oz | 0.125 US cup |
| 2 fl oz | 0.25 US cup |
| 3 fl oz | 0.375 US cup |
| 4 fl oz | 0.5 US cup |
| 5 fl oz | 0.625 US cup |
| 6 fl oz | 0.75 US cup |
| 7 fl oz | 0.875 US cup |
| 8 fl oz | 1 US cup |
| 9 fl oz | 1.125 US cup |
| 10 fl oz | 1.25 US cup |
| 15 fl oz | 1.875 US cup |
| 20 fl oz | 2.5 US cup |
| 25 fl oz | 3.125 US cup |
| Fluid Ounce (fl oz) | US Cup (US cup) |
|---|---|
| 30 fl oz | 3.75 US cup |
| 40 fl oz | 5 US cup |
| 50 fl oz | 6.25 US cup |
| 60 fl oz | 7.5 US cup |
| 70 fl oz | 8.75 US cup |
| 75 fl oz | 9.375 US cup |
| 80 fl oz | 10 US cup |
| 90 fl oz | 11.25 US cup |
| 100 fl oz | 12.5 US cup |
| 250 fl oz | 31.25 US cup |
| 500 fl oz | 62.5 US cup |
| 1,000 fl oz | 125 US cup |
About fluid ounces and US cups
Fluid Ounce (fl oz)
A US fluid ounce is about 29.57 milliliters. Eight fluid ounces make one US cup, and sixteen make a US pint.
US Cup (US cup)
A US cup is about 236.59 milliliters, or 8 US fluid ounces. It is the standard measure in American recipes.
fl oz to US cup: common questions
- How many US cups are in 1 fluid ounce?
- 1 fluid ounce (fl oz) is equal to 0.125 US cups (US cup). In short: 1 fl oz = 0.125 US cup.
- How do I convert fluid ounces to US cups?
- To convert fl oz to US cup, multiply the value in fluid ounces by 0.125 (or divide by 8). For example, 5 fl oz = 0.625 US cup.
- How do I convert US cups to fluid ounces?
- To convert US cup to fl oz, multiply the value in US cups by 8. Or open the Us Cup to Fluid Ounce converter, which does it for you.
- What is 10 fl oz in US cup, and what is 100 fl oz?
- 10 fl oz = 1.25 US cup, and 100 fl oz = 12.5 US cup. The table above lists more values from 1 to 1,000.
- Is this fl oz to US cup converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
Customize this calculator
Pick a look, copy the code, and this Fluid Ounce to Us Cup calculator — with its inputs and results — runs on your own website.
Theme color
Match your brand's colors
Corner style
Sharp, soft or fully rounded
Widget width
Compact, standard or full width
Live preview
Full widthThe same inputs, result and chart as the calculator above, styled with your choices.