Promise rings meaning is a symbol of commitment and is often seen as a pre-engagement rings. However, it can be given for many different reasons, such as a symbol of chastity, loyalty, monogamy, friendship, or even a promise to oneself to stay clean and sober.
Length times width gives the surface area of the pool. Multiplying that by the average depth gives the volume in cubic feet. Since there are 7.5 gallons in each cubic foot, multiply the cubic feet of the pool by 7.5 to arrive at the volume of the pool (expressed in gallons).
Example 1: Pool Dimensions: Length 25 metres Width 10 metres Depth 1 metres to 2 metres (average 1.5 metres) Volume = 25 Ã 10 x 1.5 = 375 cubic metres One cubic metre is equal to 1000 litres therefore the volume of the example above is 375 000 litres..