US gallons to cubic feet
1 US gallon in cubic feet
1 gal = 0.13368 ft³
ft³ = gal × 0.1336805556
To convert US gallons to cubic feet, multiply by 0.1336805556. The table below gives the values people look up most often, and the converter works for any number.
US gallons to cubic feet table
| US gallons | Cubic feet |
|---|---|
| 1 gal | 0.13368 |
| 2 gal | 0.26736 |
| 3 gal | 0.40104 |
| 4 gal | 0.53472 |
| 5 gal | 0.6684 |
| 10 gal | 1.336806 |
| 15 gal | 2.005208 |
| 20 gal | 2.673611 |
| 25 gal | 3.342014 |
| 30 gal | 4.010417 |
| 40 gal | 5.347222 |
| 50 gal | 6.684028 |
| 75 gal | 10.02604 |
| 100 gal | 13.36806 |
| 250 gal | 33.42014 |
| 500 gal | 66.84028 |
| 1,000 gal | 133.6806 |
How the conversion works
The relationship is ft³ = gal × 0.1336805556. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.
US gallon: US liquid gallon. The imperial gallon is about 20% larger.
Common questions
- How many cubic feet are in one US gallon?
- One US gallon equals 0.13368 cubic feet. ft³ = gal × 0.1336805556.
- How do you convert US gallons to cubic feet?
- Use ft³ = gal × 0.1336805556. So 10 gal is 1.336806 ft³.
- How many US gallons are in one cubic foot?
- One cubic foot equals 7.480519 US gallons, which is the reverse of the conversion above.
- Is there more than one kind of US gallon?
- US liquid gallon. The imperial gallon is about 20% larger.
Related pages
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place