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Rectangular pool volume
Average the shallow and deep ends first if the floor slopes. The result is in cubic metres.
The Formula
V = length x width x average depth
Average the shallow and deep ends first if the floor slopes. The result is in cubic metres.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| V | Volume | cubic metres | Water the pool holds. |
| L | Length | metres | Long side of the pool. |
| W | Width | metres | Short side of the pool. |
| d | Average depth | metres | Mean of the shallow and deep water depths. |
What Each Symbol Means
Vcubic metres
Volume
Water the pool holds.
Lmetres
Length
Long side of the pool.
Wmetres
Width
Short side of the pool.
dmetres
Average depth
Mean of the shallow and deep water depths.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate a pool volume page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate A Pool Volume, filed under Everyday Life. Every number the guide produces comes from substituting into this one line.