Pool Volume Calculator
Use this pool volume calculator to estimate the water volume of a swimming pool. Enter pool shape, length, width, depth and any changing depth and review an estimated pool volume in the selected units.
Pool volume
—
In liters —
Weight of water —
✉ Email me this result
</> Embed this calculator
Paste this into any website or blog post. It is free — the small "powered by" link must stay visible.
How it works
Rectangle: L × W × avg depth × 7.48 gal; round: π r² × depth × 7.48How to use the Pool Volume Calculator
Start by entering pool shape, length, width, depth and any changing depth. Keep the units consistent and check that each value belongs to the same question.
The result gives an estimated pool volume in the selected units. A sloped or irregular pool may need separate measurements for a closer estimate. Use it as a guide and check any instructions, rules or professional advice that apply.
Frequently Asked Questions
What does this pool volume calculator calculate?
It gives an estimated pool volume in the selected units. A sloped or irregular pool may need separate measurements for a closer estimate.
What information should I enter?
Enter pool shape, length, width, depth and any changing depth. Use the same units throughout so the result is easier to understand.
Why do I need the average depth?
Average depth gives a practical estimate when the pool floor is not level.