30 Fluid Ounces to Cups
30 fl oz = 3.75 cups
30 US fluid ounces equals 3.75 US cups.
How to convert 30 fl oz to cups
Use the formula cups = fl oz ÷ 8:
cups = 30 ÷ 8cups = 3.75
So 30 fl oz = 3.75 cups.
Rounded values and quick estimate
- Rounded to a whole number: 4 cups
- Rounded to one decimal place: 3.8 cups
- Conversion factor: 1 US fluid ounce = 0.125 US cups
This conversion is exact, so there is no need to estimate: just divide by 8.
30 Fluid Ounces in other units
- US cups
- 3.75 cups
- Milliliters
- 887.21 ml
- Liters
- 0.8872 L
- Teaspoons
- 180 tsp
- Tablespoons
- 60 tbsp
- US pints
- 1.88 pt
- US quarts
- 0.9375 qt
- US gallons
- 0.2344 gal
- Cubic centimeters
- 887.21 cc
- Cubic inches
- 54.14 cu in
- Cubic feet
- 0.0313 cu ft
- Drops
- 17744.12 drops
- Oil barrels
- 0.00558 bbl
- UK gallons
- 0.1952 UK gal
- Cubic meters
- 0.000887 m³
- Cubic yards
- 0.00116 cu yd
30 fl oz and nearby values
| US fluid ounces | US cups |
|---|---|
| 26 fl oz | 3.25 cups |
| 27 fl oz | 3.38 cups |
| 28 fl oz | 3.5 cups |
| 29 fl oz | 3.63 cups |
| 30 fl oz | 3.75 cups |
| 31 fl oz | 3.88 cups |
| 32 fl oz | 4 cups |
| 33 fl oz | 4.13 cups |
| 34 fl oz | 4.25 cups |
About us fluid ounces and us cups
A US fluid ounce is 1/128 of a US gallon, about 29.57 ml. (A UK imperial fluid ounce is slightly smaller, 28.41 ml.)
A US customary cup is 8 US fluid ounces, about 236.6 ml. Nutrition labels use a rounded 240 ml cup; metric cups are 250 ml.
Related conversions
Frequently asked questions
What is 30 Fluid Ounces in Cups?
30 US fluid ounces is 3.75 US cups (30 fl oz = 3.75 cups).
How do you convert 30 fl oz to cups?
Apply cups = fl oz ÷ 8: cups = 30 ÷ 8, cups = 3.75.
How many US fluid ounces is 3.75 cups?
3.75 cups is about 30 US fluid ounces.