Calculate Volume in Gallons from Inches

Volume Formula:

\[ V_{gal} = \frac{L \times W \times H}{231} \]

Volume (gallons):

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1. What is Volume in Gallons from Inches Calculator?

Definition: This calculator converts dimensions in inches to volume in gallons for liquids or containers.

Purpose: It helps determine how much liquid a container can hold or the volume of space in gallons when dimensions are known in inches.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ V_{gal} = \frac{L \times W \times H}{231} \]

Where:

\( V_{gal} \) — Volume in gallons
\( L \) — Length in inches
\( W \) — Width in inches
\( H \) — Height in inches
231 — Conversion factor (cubic inches per gallon)

Explanation: Multiply the three dimensions to get cubic inches, then divide by 231 (the number of cubic inches in one gallon).

3. Importance of Volume Calculation

Details: Accurate volume calculations are essential for liquid storage, aquarium sizing, tank capacity, chemical mixing, and many industrial applications.

4. Using the Calculator

Tips: Enter length, width, and height in inches. All values must be > 0. The result shows the equivalent volume in US gallons.

5. Frequently Asked Questions (FAQ)

Q1: Why 231 cubic inches per gallon?
A: This is the standard US gallon volume defined as exactly 231 cubic inches.

Q2: Does this work for any shape?
A: This formula is for rectangular spaces. For cylinders use πr²h/231.

Q3: Is this for US or UK gallons?
A: This calculator uses US gallons (231 cubic inches). UK gallons are 277.42 cubic inches.

Q4: How accurate is this calculation?
A: It's mathematically precise for perfect rectangles. Real-world containers may vary slightly.

Q5: Can I use this for irregular shapes?
A: For irregular shapes, use the average dimensions or calculate displacement.