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Pool Sand Calculator

Calculate filter media for pool sand filters (#20 grade silica sand) or leveling cushion sand for above-ground pool liner bases.

Pool Sand Quantities

Real-Time
50 lb Bags Needed
0 Bags
Standard 50 lb pool sand
Total Weight (lbs)
0 lbs
0 tons
Volume in Cubic Yards
0.00 yd³
0 CFT
Sand Specification
Masonry Sand
No rocks or sharp pebbles
Visual Engineering

#20 Silica Filter Tank & Liner Cove

Commercial pool silica sand filter pressure tank and above-ground pool sand cove.

#20 SILICA POOL SAND MATH • Sand Spec: #20 Silica (0.45–0.55mm) • Filter: ~2/3 tank volume sand • Above-ground base: 2" to 3" bed • Sand Cove: 8" × 8" around perimeter

#20 Silica Filter Tank & Liner Cove

Commercial pool silica sand filter pressure tank and above-ground pool sand cove.

Mathematical Theory

Engineering Calculations & Formulas

Mathematical formulas and engineering constants powering this calculator.

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Filter Tank Sand Capacity

Calculates silica sand weight from filter tank diameter rating.

Filter Sand (lbs) = Tank Diameter (in)² × 0.35 (standard rule)
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Above Ground Pool Base

Sand volume for a 2-inch leveling bed under the pool floor.

Pool Base yd³ = (π × Radius ft² × (Depth in / 12)) / 27
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8x8 Sand Cove Volume

Triangular wedge along perimeter to prevent vinyl liner pinching.

Cove Volume = 0.5 × (8/12) × (8/12) × Perimeter ft