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Utility Calculators

Swimming Pool Volume Calculator

Verified formula Updated Jun 2026 Private — runs on your device

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m
m
m
Verified formula Private

Pool volume (litres)

75,000

Volume (cubic metres)
75.00

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Swimming Pool Volume Calculator

The Swimming Pool Volume Calculator works out your pool volume (litres), along with 1 related figure in an instant. Enter pool length, pool width and average depth and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the pool length.
  2. Enter the pool width.
  3. Enter the average depth.
  4. Read off your pool volume (litres), together with volume (cubic metres) — the calculator updates automatically, with no button to press.

Formula

The Swimming Pool Volume Calculator uses the formula:

Pool volume (litres) = Pool length × Pool width × Average depth × 1000

Worked example

For example, with pool length of 10 m, pool width of 5 m and average depth of 1.5 m, the pool volume (litres) is 75,000.

Inputs used
Pool length 10 m
Pool width 5 m
Average depth 1.5 m
Results
Pool volume (litres) 75,000
Volume (cubic metres) 75.00

Results are estimates for educational use, not professional advice.

Key terms explained

Mean
The average of a set of numbers — their sum divided by how many there are.
Volume
The amount of three-dimensional space an object occupies, measured in cubic units.

Frequently asked questions

Multiply length, width and average depth for cubic metres, then multiply by 1000 for litres. A 10×5 m pool averaging 1.5 m deep holds 75,000 litres.

For a sloping floor, average the shallow and deep ends. Add them and divide by two.

Pool volume sets how much water, chlorine and other chemicals you need for correct dosing.

One cubic metre of water is exactly 1000 litres.

The Swimming Pool Volume Calculator uses the formula: Pool volume (litres) = Pool length × Pool width × Average depth × 1000. For example, with pool length of 10 m, pool width of 5 m and average depth of 1.5 m, the pool volume (litres) is 75,000.

Enter the pool length. Enter the pool width. Enter the average depth. Read off your pool volume (litres), together with volume (cubic metres) — the calculator updates automatically, with no button to press.

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