1 Gallons to Cubic Feet
1 gal ≈ 0.1337 cu ft
1 US gallon is approximately 0.1337 cubic feet.
How to convert 1 gal to cu ft
Use the formula cu ft = gal ÷ 7.48051948:
cu ft = 1 ÷ 7.48051948cu ft = 0.133681
So 1 gal = 0.133681 cu ft, or about 0.1337 cu ft rounded.
Rounded values and quick estimate
- Rounded to a whole number: 0 cu ft
- Rounded to one decimal place: 0.1 cu ft
- Conversion factor: 1 US gallon = 0.1337 cubic feet
Quick mental estimate: divide by 7.5. For 1 gal that gives about 0.1333 cu ft — within 1% of the exact answer. Use the exact formula when precision matters.
1 Gallons in other units
- Cubic feet
- 0.1337 cu ft
- Milliliters
- 3785.41 ml
- Liters
- 3.79 L
- Teaspoons
- 768 tsp
- Tablespoons
- 256 tbsp
- US fluid ounces
- 128 fl oz
- US cups
- 16 cups
- US pints
- 8 pt
- US quarts
- 4 qt
- Cubic centimeters
- 3785.41 cc
- Cubic inches
- 231 cu in
- Drops
- 75708.24 drops
- Oil barrels
- 0.0238 bbl
- UK gallons
- 0.8327 UK gal
- Cubic meters
- 0.003785 m³
- Cubic yards
- 0.004951 cu yd
1 gal and nearby values
| US gallons | Cubic feet |
|---|---|
| 1 gal | 0.1337 cu ft |
| 2 gal | 0.2674 cu ft |
| 3 gal | 0.401 cu ft |
| 4 gal | 0.5347 cu ft |
| 5 gal | 0.6684 cu ft |
About us gallons and cubic feet
A US gallon is 128 US fluid ounces, exactly 3.785411784 liters. (The UK imperial gallon is 4.546 liters.)
A cubic foot is 1,728 cubic inches, about 7.48 US gallons or 28.3 liters.
Related conversions
Frequently asked questions
What is 1 Gallons in Cubic Feet?
1 US gallon is about 0.1337 cubic feet (1 gal ≈ 0.1337 cu ft).
How do you convert 1 gal to cu ft?
Apply cu ft = gal ÷ 7.48051948: cu ft = 1 ÷ 7.48051948, cu ft = 0.133681.
How many US gallons is 0.1337 cu ft?
0.1337 cu ft is about 1 US gallons.