It would take 64 m3 of water, which is 64000 liters or about 16,907 gallons.
A 28 meter square is 28 times 28 meters or 784 square meters. If it is one tenth of a meter (10 cm) deep, it has a volume of 78.4 cubic metersIf you mean 28 square meters (like a pool 4 meters by 7 meters) then the volume one tenth of a meter deep is 2.8 cubic meters.
1 cu m = 1000 liters → volume = 2 m x 3 m x 1 m = 6 cu m = 6 x 1000 liters = 6,000 liters.
One cubic meter cannot be "converted" to a square measure unless we know how "deep" it is being spread. For example, if it is one meter deep, then it would cover one square meter; but if it is two meters deep, then it would cover half that area. If it were, say, 1 cm deep, then it could cover a million square centimeters (100 x 100 x 100).
9 Acres = 36,421.7 square meters. 4 feet = 1.2 meters. Area x length = volume; 36,421.7 x 1.2 = 43,706 cubic meters. Cubic meters is a volume, which can be converted to liters, 1 cubic meter is 1000 liters. So your pond has 43,706,000 Liters. 1 gallon is 3.78 liters, so divide by 3.78 and your pond has 11,545,903.7 Gallons.
If the 25 meters is a circle, it would be 68256 gallons
The volume of the pool is 36.4 cubic meters. There are 1000 liters in a cubic meter. You will need 36400 liters to fill the object.
A 28 meter square is 28 times 28 meters or 784 square meters. If it is one tenth of a meter (10 cm) deep, it has a volume of 78.4 cubic metersIf you mean 28 square meters (like a pool 4 meters by 7 meters) then the volume one tenth of a meter deep is 2.8 cubic meters.
1 cu m = 1000 liters → volume = 2 m x 3 m x 1 m = 6 cu m = 6 x 1000 liters = 6,000 liters.
One cubic meter cannot be "converted" to a square measure unless we know how "deep" it is being spread. For example, if it is one meter deep, then it would cover one square meter; but if it is two meters deep, then it would cover half that area. If it were, say, 1 cm deep, then it could cover a million square centimeters (100 x 100 x 100).
9 Acres = 36,421.7 square meters. 4 feet = 1.2 meters. Area x length = volume; 36,421.7 x 1.2 = 43,706 cubic meters. Cubic meters is a volume, which can be converted to liters, 1 cubic meter is 1000 liters. So your pond has 43,706,000 Liters. 1 gallon is 3.78 liters, so divide by 3.78 and your pond has 11,545,903.7 Gallons.
3 meters is about 10 feet.
Figure out how many cubic meters it holds. A cubic meter is 1000 liters, so go from there.
If the 25 meters is a circle, it would be 68256 gallons
You cannot compare volume to area unless you add more information about depth. If you wanted to say "How many liters in one square meter, 3 centimeters deep", we could calculate that.
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m3 is a cubic meter. It is the volume equivalent of a cube 1 meter wide by 1 meter deep by 1 meter tall. 1 m3 is equivalent to 1000 liters.
We need to know the length and the width as well