Depends on the shape.
231 cubic inches is the VOLUME, not Area.
About 8.35 pounds for one US gallon of water.
At 17oC one gallon of water weighs 4.536kg.
There are 768 teaspoons of water in one gallon.
If you have equal volumes, the salt water will weigh more.
Inches are a measure of length, and gallons is a measure of volume. However, volume can be measured in units of length cubed (because, for instance, the volume of a cube is the length of each side cubed).The are 231 cubic inches (or in3) per gallon.
The label reads 2.5 ounces per one gallon of water. I mixed this strength one week ago today and spayed. Almost all of the area I sprayed it alive and well.
If you have a gallon, you only can have one gallon.
About 8.35 pounds for one US gallon of water.
One gallon of water equates to about 0.133 cubic feet.
There are 0.003785 cubic meters in one gallon of water.
A gallon is a measure of VOLUME, not of distance. It cannot be translated to area.
One gallon of water weighs about 3,785.23 grams.
One gallon of water weighs about 3.783 kg
There are 3.7854 liters in a gallon of water
The same
One gallon of plain water weighs about 8.35 pounds/3.79kg
One gallon of water is equal to 0.004951 cubic yards.