1 US fluid ounce to US cups
1 fl oz = 0.125 cup. Change the amount below, or read the formula and the reference table further down.
1 US fluid ounce equals
US cups
1 fl oz = 0.125 cup
The formula
US fluid ounces and US cups both measure volume from the same zero, so a single multiplier does the job.
cup = fl oz × 0.125
Going the other way? Convert US cups to US fluid ounces.
US fluid ounces to US cups table
Values either side of 1 fl oz.
| US fluid ounces (fl oz) | US cups (cup) |
|---|---|
| -4 | -0.5 |
| -3.5 | -0.4375 |
| -3 | -0.375 |
| -2.5 | -0.3125 |
| -2 | -0.25 |
| -1.5 | -0.1875 |
| -1 | -0.125 |
| -0.5 | -0.0625 |
| 0 | 0 |
| 0.5 | 0.0625 |
| 1 | 0.125 |
| 1.5 | 0.1875 |
| 2 | 0.25 |
| 2.5 | 0.3125 |
| 3 | 0.375 |
| 3.5 | 0.4375 |
| 4 | 0.5 |
| 4.5 | 0.5625 |
| 5 | 0.625 |
| 5.5 | 0.6875 |
| 6 | 0.75 |
Questions people ask
- How many US cups are in a US fluid ounce?
- One US fluid ounce equals 0.125 US cups.
- How do I convert US fluid ounces to US cups by hand?
- Multiply the number of US fluid ounces by 0.125. For a rough check, 0.125 is close enough for most everyday use.
- What is 1 US fluid ounce in US cups?
- 1 US fluid ounce is 0.125 US cups.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.