It makes no difference what's in the 16 gallons, or whether they're empty.
(16 gallons) x (231 cubic inches per gallon) / (1,728 cubic inches per cubic foot) = 2.1389 cubic feet (rounded)
There are approximately 224.71 gallons in 30 cubic feet.
If you know gallons, multiply gallons by 0.133681 to get cubic feet.If you know cubic feet, multiply cubic feet by 7.48052 to get gallons.
Conversion: US gallons x 0.133681 = cubic feet
Five gallons is 0.668 cubic feet.
There are 7.48052 gallons in 1 cubic foot. Therefore, 748 gallons is equal to 99.97 cubic feet.
0.6684 cubic feet = five gallons (US)
there are 8.9018181522225266627406905758232 gallons in 1.19 cubic feet
13 US gallons = 1.73784722 cubic feet[Google "13 gallons into cubic feet"]
5,400 gallons equates to 721.9 cubic feet.
There are 7.48 gallons in 1 cubic foot, so 100 gallons of water would equal approximately 13.36 cubic feet.
There are approximately 22.5 gallons in 3 cubic feet of water.
There are 448,210 gallons in 60,000 cubic feet.