Home Back

Circular Pool Volume Calculator

Circular Pool Volume Formula:

\[ V = \pi \times R^2 \times D \times 7.48 \]

feet
feet

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Circular Pool Volume Formula?

The circular pool volume formula calculates the total water volume in a cylindrical pool. It accounts for the pool's radius, average depth, and converts cubic feet to gallons.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ V = \pi \times R^2 \times D \times 7.48 \]

Where:

Explanation: The formula calculates the cylindrical volume in cubic feet and converts it to gallons (1 cubic foot = 7.48 gallons).

3. Importance of Pool Volume Calculation

Details: Knowing your pool's volume is essential for proper chemical treatment, pump sizing, and maintenance planning.

4. Using the Calculator

Tips: Measure the pool's radius (half of diameter) and average depth (shallow end + deep end divided by 2). Enter values in feet.

5. Frequently Asked Questions (FAQ)

Q1: What if my pool isn't perfectly circular?
A: This calculation works best for true circular pools. For oval pools, use the average of length and width as diameter.

Q2: How do I measure average depth?
A: Measure shallow end and deep end, then calculate (shallow + deep)/2. For multiple depths, take several measurements.

Q3: Why multiply by 7.48?
A: This converts cubic feet to gallons, as there are 7.48 gallons in one cubic foot of water.

Q4: What about pools with sloping bottoms?
A: The calculation assumes uniform depth. For more accuracy with slopes, divide pool into sections and calculate separately.

Q5: Can I use meters instead of feet?
A: Yes, but you'll need to use a different conversion factor (1 cubic meter = 264.172 gallons).

Circular Pool Volume Calculator© - All Rights Reserved 2025