29174.02 gallons
There area 264.2 (US) gallons of water in one cubic meter of volume.
With US gallons = 7.52 " With UK gallons = 9.03 "
800 pounds of water would be 95.8 US gallons.
It depends on your water companies measure of 1 unit. In my area 1 unit is equal to 748 gallons of water. so 40 units would be: 40units X 748 gallons = 29,920 gallons of water. Just about the amount of water you would use to fill up an average swimming pool.
11,669.61 (rounded)
If you mean feet, this volume would contain 8,258.45 US gallons of water.
For plain water, 30kgs would be 7.93 gallons.
For plain water, 250kg would be 66.1 gallons.
There are billions of gallons of water within the Indian Ocean. This ocean covers an area of 47,900,00 square miles.
My guess would be 7.48 gallons since that is how many gallons of water is in a cubic foot
At the same rate you would use 10 gallons.
My answer would be 18.75 gallons