Surface area? That will vary considerably. The smallest surface area will be if the water is suspended weightless, in the shape of a sphere. It could be in a pan 1/16 of an inch deep. Specify the shape you are interested in.
Five gallons of sand would actually weigh more than five gallons of water.
5 U.S. gallons of water weigh approximately 41.73 lbs. 5 Imperial gallons of water weigh exactly 50 lbs.
18.977 kilos of water equal 5 US gallons.
To find the concentration in parts per million (ppm), you would need to calculate the ratio of chlorine to water. In this case, to determine the concentration of 5 gallons of chlorine in 1 million gallons of water, you could use the following calculation: (5 gallons chlorine / 1 million gallons water) x 1,000,000 = 5 ppm.
Volume is two dimensional and no area can hold 25 gallons of water, however 25 gallons is a volume. Do you mean what dimensions would hold 25 gallons?
5 US gallons is 18,927.1 milliliters (mL)
5 gallons of water weighs approximately 41.7 pounds.
about 5 gallons
5 to 7 gallons of water to run a dishwasher on a normal cycle.
There area 264.2 (US) gallons of water in one cubic meter of volume.
Approximately 8,146,286 gallons of water.
841.6 gallons