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A storage tank is a container, usually for holding liquids, sometimes for compressed gases (gas tanks). This term can also be used for reservoirs and for manufactured containers for other storage purposes.

Table of Contents:

Formula

**Capacity (Cubic Inches) = Length x Width x Height Capacity (Gallons) = capacity (cubic inches) / 231**

This advanced online Storage Capacity for Rectangular Tank Calculator is useful in calculating the storage capacity of a rectangular tank.

**Example:**

Calculate the storage capacity of a rectangular tank in cubic inches and gallons.

Length = 15 inches

Width = 10 inches

Height = 5 inches

**Solution:**

**Apply formula:**

Capacity (Cubic Inches) = Length x Width x Height

Capacity (Cubic Inches) = 15*10*5

Capacity (Cubic Inches) = 750 cubic inches

Capacity (Gallons) = capacity (cubic inches) / 231

Capacity (Gallons) = 750/231

**Capacity (Gallons) = 3.2467532467532 Gallons**