Pool Filter Sizing Calculator

Calculate required filter size based on pool volume and pump flow rate.

Three-dimensional space occupied (L × W × H for boxes).
gallons
The speed or frequency at which something occurs.
GPM
Enter the filter type (1=sand, 2=cartridge, 3=de) value for this calculation.

Results

Minimum Filter Size:
Recommended size based on calculations.
-sq ft
Recommended Size:
Recommended size based on calculations.
-sq ft
Reference: Industry Standards.