Pool Square Footage Calculator
Use this calculator to determine the square footage of your pool. This measurement is crucial for various tasks like ordering a new pool liner, estimating heating costs, or calculating chemical dosages.
Calculated Square Footage:
0 sq ft
Understanding Pool Square Footage
The square footage of your pool refers to the total surface area of the water. This measurement is distinct from pool volume, which calculates how much water your pool holds. While volume is important for chemical balancing, square footage is critical for tasks related to the pool's surface, such as:
- Pool Liner Replacement: When ordering a new liner, manufacturers often require the pool's surface area to ensure a proper fit.
- Pool Cover Sizing: Whether for safety or winterization, a pool cover needs to match the surface dimensions of your pool.
- Heating System Sizing: The surface area plays a role in determining the heat loss from your pool, which helps in sizing an appropriate heater.
- Solar Cover Efficiency: The effectiveness of a solar cover is directly related to the surface area it covers.
How to Measure Your Pool for Square Footage
For Rectangular or Square Pools:
Measuring a rectangular or square pool is straightforward. You only need two dimensions:
- Length: Measure the longest side of your pool from one end to the other.
- Width: Measure the shorter side of your pool from one edge to the other.
Formula: Square Footage = Length × Width
Example: If your rectangular pool is 25 feet long and 12 feet wide, the square footage would be 25 ft × 12 ft = 300 sq ft.
For Circular Pools:
For circular pools, you need to measure the diameter.
- Diameter: Measure the distance across the widest part of the circle, passing through the center.
Formula: Square Footage = π × (Diameter / 2)² (where π ≈ 3.14159)
Example: If your circular pool has a diameter of 18 feet, the radius would be 9 feet. The square footage would be approximately 3.14159 × (9 ft)² = 3.14159 × 81 sq ft ≈ 254.47 sq ft.
Always ensure your measurements are accurate and in the same units (e.g., all in feet) for correct calculations.