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Rectangular Pool Volume Calculator

Estimate water volume in a rectangular pool using average water depth. Steps, curves and displaced volume are excluded.

Enter your values

m
m
m

Use a decimal point, without thousands separators.

Example result
Water volume
48,000 L

The initial result uses the example values. Enter your own values and calculate again.

Edit inputs

How it works

Estimate water volume in a rectangular pool using average water depth. Steps, curves and displaced volume are excluded.

V = length × width × average depth

Worked example

Show example inputs and result

Length: 8 · Width: 4 · Average depth: 1.5.

Water volume
48,000 L

Questions and answers

Why are some results rounded?

Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.

Are my inputs sent to a server?

The calculator processes inputs in your browser. Its code does not send your values to a server.

Method reviewed: October 8, 2026 · Methods & accuracy

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