Convert US gallon to cubic foot
1 gal = 0.1336805556 ft³
1 gal = 0.13368 ft³
1 gal in every volume unit
| cubic millimeter | 3,785,400 mm³ |
| microliter | 3,785,400 μL |
| milliliter | 3,785.4 mL |
| cubic centimeter | 3,785.4 cm³ |
| US teaspoon | 768 tsp |
| centiliter | 378.54 cL |
| US tablespoon | 256 tbsp |
| cubic inch | 231 in³ |
| imperial fluid ounce | 133.23 imp fl oz |
| US fluid ounce | 128 fl oz |
| deciliter | 37.854 dL |
| US cup | 16 cup |
| US pint | 8 pt |
| imperial pint | 6.6614 imp pt |
| US quart | 4 qt |
| liter | 3.7854 L |
| cubic decimeter | 3.7854 dm³ |
| imperial quart | 3.3307 imp qt |
| board foot | 1.6042 fbm |
| US gallon | 1 gal |
| imperial gallon | 0.83267 imp gal |
| cubic foot | 0.13368 ft³ |
| US bushel | 0.10742 bu |
| hectoliter | 0.037854 hL |
| US beer barrel | 0.032258 bbl beer |
| oil barrel | 0.02381 bbl |
| cubic yard | 0.0049511 yd³ |
| cubic meter | 0.0037854 m³ |
| kiloliter | 0.0037854 kL |
| hundred cubic feet | 0.0013368 CCF |
| cord | 0.0010444 cord |
| acre-foot | 0.0000030689 ac·ft |
| million US gallons | 0.000001 MG |
| cubic kilometer | 3.7854e-12 km³ |
How the conversion works
Multiply by 0.1336805556 to go from US gallon to cubic foot, or divide by it to go back. Every conversion on this site routes through the SI value (m³) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? cubic foot to US gallon — 1 ft³ = 7.480519481 gal.
US gallon to cubic foot — common values
| 1 gal | 0.13368056 ft³ |
| 2 gal | 0.26736111 ft³ |
| 3 gal | 0.40104167 ft³ |
| 5 gal | 0.66840278 ft³ |
| 10 gal | 1.3368056 ft³ |
| 15 gal | 2.0052083 ft³ |
| 20 gal | 2.6736111 ft³ |
| 25 gal | 3.3420139 ft³ |
| 50 gal | 6.6840278 ft³ |
| 75 gal | 10.026042 ft³ |
| 100 gal | 13.368056 ft³ |
| 250 gal | 33.420139 ft³ |
| 500 gal | 66.840278 ft³ |
| 1000 gal | 133.68056 ft³ |