There are 7.48 gallons in a cubic foot. 300,000 gallons divided by 7.48 gallons/cubic foot equals 40106.95 cubic feet.
5 gallons = 0.668 cubic feet.
13 US gallons = 1.73784722 cubic feet[Google "13 gallons into cubic feet"]
2,000 cubic feet equals: 14,960 US liquid gallons.
500 Gallons (US) equals 66.84 cubic feet
32 cubic feet equates to 239.377 gallons.
99.99306 cubic feet
280 gallons equals 37.43 cubic feet.
20 US gallons is about 2.7 (2.67361) cubic feet.
12,000 US gallons = 1,604.17 cubic feet.
6.9 cubic feet equals 51.6 US gallons.
279 gallons = 37.3 cubic feet.
280 cubic feet = about 1,744 Imperial gallons OR 2,095 US gallons.