This water tank capacity reference table shows the capacity for a range of length values, assuming a width of 1 m and a height of 1 m. Every figure is computed with the same engine that powers our Water Tank Capacity Calculator, so the numbers are exact.
| Length | Capacity | Cubic metres | US gallons |
|---|---|---|---|
| 0.5 m | 500 | 0.500 | 132 |
| 1 m | 1,000 | 1.000 | 264 |
| 1.5 m | 1,500 | 1.500 | 396 |
| 2 m | 2,000 | 2.000 | 528 |
| 3 m | 3,000 | 3.000 | 793 |
| 4 m | 4,000 | 4.000 | 1,057 |
| 6 m | 6,000 | 6.000 | 1,585 |
| 10 m | 10,000 | 10.000 | 2,642 |
| 14 m | 14,000 | 14.000 | 3,698 |
| 20 m | 20,000 | 20.000 | 5,283 |
How to use this table
Find the row closest to your length and read across to the capacity. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Water Tank Capacity Calculator for a precise answer.
Need a value that is not in the table? — the Water Tank Capacity Calculator does it instantly, for free, with the formula and a worked example built in.
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