1. What is Volume in Gallons Calculation?

Definition: This calculator estimates the volume in gallons for rectangular containers based on their dimensions in inches.

Purpose: It helps in determining liquid capacity for tanks, containers, or any rectangular space.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

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

Explanation: The product of the three dimensions gives cubic inches, which is then converted to gallons.

3. Importance of Volume Calculation

Details: Accurate volume calculation ensures proper sizing of containers, correct dosing of liquids, and efficient space utilization.

4. Using the Calculator

Tips: Enter the length, width, and height in inches. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why divide by 231?
A: 231 cubic inches equals 1 US gallon, which is the standard conversion factor.

Q2: Can I use this for cylindrical containers?
A: No, this is for rectangular containers only. For cylinders, use πr²h formula.

Q3: What if my measurements are in feet?
A: Convert feet to inches (1 foot = 12 inches) before using the calculator.

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

Q5: Does this work for US and UK gallons?
A: This calculates US gallons (231 cu in). UK gallons use 277.42 cubic inches.