Pool Volume Calculator

Calculate swimming pool water volume with precision for maintenance and chemical dosing

What is a Pool Volume Calculator?

A pool volume calculator is an essential tool for swimming pool owners and maintenance professionals that accurately determines the total water capacity of your pool. This calculation is crucial for proper chemical dosing, heating system sizing, filtration equipment selection, and overall pool maintenance. Understanding your pool's exact volume ensures optimal water chemistry, cost-effective chemical usage, and proper equipment operation.

Our advanced calculator supports multiple pool shapes including rectangular, circular, and oval pools with precise mathematical formulas. It handles both metric and imperial measurements, providing results in liters, gallons, and cubic meters. The tool considers various pool configurations and provides additional calculations for chemical dosing, heating requirements, and maintenance schedules.

This calculator is indispensable for pool installers planning chemical systems, homeowners managing pool maintenance, pool service professionals calculating treatment dosages, heating system designers sizing equipment, and anyone involved in pool construction or renovation. Accurate volume calculations prevent over-treatment, reduce chemical costs, and ensure safe, balanced water chemistry.

Pool Dimensions

Shape, length, width, depth

Volume Calculation

Mathematical precision

Maintenance Data

Chemicals & heating info

Pool Specifications

Enter pool length
Enter pool width
Enter average pool depth
Volume in Liters
0
liters
Total water capacity of your swimming pool in liters.
Volume in Gallons
0
US gallons
Total water capacity converted to US gallons for chemical calculations.

Pool Maintenance Information

Chlorine Needed
0
grams for initial treatment
Heating Cost
$0
estimated per 1°C increase
Filter Runtime
0
hours per day recommended

Pool Volume Formulas & References

Volume Calculation Formulas

Rectangular Pool Volume:
V = L × W × D

Where V = volume (m³), L = length (m), W = width (m), D = average depth (m). Most common pool shape with straightforward calculation.

Circular Pool Volume:
V = π × r2 × D

Where r = radius (m), D = average depth (m). Radius equals diameter divided by 2. π ≈ 3.14159.

Oval Pool Volume:
V = π × a × b × D

Where a = semi-major axis (length/2), b = semi-minor axis (width/2), D = average depth (m).

Chemical Dosing Calculations

Chlorine Dosing:
Cl = V × 1.5

Where Cl = chlorine needed (grams), V = volume (1000L). Standard initial treatment dose.

pH Adjustment:
pH_adj = V × 0.1

Approximate chemical needed per 0.1 pH unit adjustment per 1000L of water.

Industry Standards

Pool & Hot Tub Alliance (PHTA)

Industry standards for pool water chemistry and maintenance calculations.

PHTA Guidelines
World Health Organization

Guidelines for safe recreational water environments and pool maintenance.

WHO Pool Guidelines
National Swimming Pool Foundation

Technical standards for pool operation and water quality management.

NSPF Standards

Calculation Methodology

Volume Accuracy:

Calculations assume uniform depth. For variable depth pools, use average depth for best accuracy.

Unit Conversions:

1 cubic meter = 1000 liters = 264.172 US gallons. Imperial measurements converted to metric for calculation.

Chemical Dosing:

Based on standard pool chemistry guidelines. Actual requirements may vary based on water conditions.