Swimming Pool Calculator

Calculate volume, dimensions, and maintenance requirements for your swimming pool.

Using same unit as length
Using same unit as length

For accurate maintenance calculations:
- Measure the deepest part for uniform depth pools
- For sloped pools, measure both shallow and deep ends
- Include steps and other features in your measurements
- Consider local regulations for pool depth requirements

Swimming Pool Volume Calculator

Calculate the volume and water capacity of your swimming pool with our easy-to-use calculator. Learn about pool measurements, water requirements, and maintenance calculations.

Swimming pools come in various shapes and sizes, from simple rectangular designs to complex custom shapes. Understanding your pool's volume is crucial for proper maintenance, chemical treatment, and water management. This calculator helps you determine the exact amount of water your pool holds.

Formula

Rectangular Pool: Volume = L × W × D
Oval Pool: Volume = L × W × D × 0.85
Circular Pool: Volume = πr² × D

Where:

  • L:length of the pool
  • W:width of the pool
  • D:average depth of the pool
  • r:radius of circular pool

How to Calculate Pool Volume

Measure your pool's length, width, and average depth. For irregular depths, take measurements at several points and average them. For non-rectangular pools, use the appropriate shape formula or break the pool into sections.

Understanding Pool Capacity

Pool volume is typically measured in gallons (US) or liters. One cubic foot equals 7.48 gallons, while one cubic meter equals 1000 liters. Consider water displacement from steps, benches, or other features.

Maintenance Calculations

Pool volume determines chemical dosage for maintenance. Common treatments include chlorine (1-3 ppm), pH adjusters (ideal range 7.2-7.6), and algaecides. Always follow manufacturer recommendations for chemical concentrations.

Frequently Asked Questions

How do I calculate average depth for a sloped pool?

Take depth measurements at several points (shallow end, middle, deep end) and calculate their average. For example, if your pool is 3 feet at one end and 9 feet at the other, the average depth would be 6 feet.

Why is pool volume important for maintenance?

Pool volume determines the amount of chemicals needed for proper water treatment. Using too much or too little can affect water safety and comfort. It also helps calculate pump size, filter requirements, and heating costs.

How do I account for irregular pool shapes?

For irregular shapes, break the pool into sections of basic shapes (rectangles, circles, triangles) and calculate each separately. Add the volumes together for total pool capacity. For oval pools, multiply the rectangular calculation by 0.85.

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