Convert Volume to Gallons of Water

Volume Conversion Formula:

\[ V_{gal} = \frac{V}{231} \]

Volume in Gallons:

Definition: This calculator converts volume in cubic inches to gallons of water.

Purpose: It helps in various applications like tank sizing, liquid measurements, and engineering calculations.

The calculator uses the formula:

\[ V_{gal} = \frac{V}{231} \]

Where:

Explanation: There are 231 cubic inches in one US gallon of water.

Details: Accurate conversion between volume units is essential for proper measurements in cooking, chemistry, engineering, and fluid dynamics.

Tips: Enter the volume in cubic inches. The value must be > 0.

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

Q2: Does this work for other liquids besides water?
A: Yes, but the weight will vary depending on the liquid's density.

Q3: How do I convert gallons back to cubic inches?
A: Multiply gallons by 231 to get cubic inches.

Q4: Is this the same as an imperial gallon?
A: No, an imperial gallon is about 1.2 US gallons (277.42 cubic inches).

Q5: How accurate is this conversion?
A: It's mathematically exact since 1 US gallon is defined as exactly 231 cubic inches.