Measure Tank Volume in Gallons

Tank Volume Formulas:

\[ V_{gal} = \frac{L \times W \times H}{231} \text{ (rectangular)} \] \[ V_{gal} = \frac{\pi \times r^2 \times h}{231} \text{ (cylindrical)} \]

Tank Shape:

Length:

inches

Width:

inches

Height:

inches

Tank Volume (gallons):

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1. What is Tank Volume Measurement?

Definition: This calculator determines the volume of liquid a tank can hold in gallons based on its dimensions.

Purpose: It helps in sizing tanks for storage, industrial processes, aquariums, and other liquid containment applications.

2. How Does the Calculator Work?

The calculator uses different formulas based on tank shape:

\[ V_{gal} = \frac{L \times W \times H}{231} \text{ (rectangular)} \] \[ V_{gal} = \frac{\pi \times r^2 \times h}{231} \text{ (cylindrical)} \]

Where:

\( V_{gal} \) — Volume in gallons
\( L \) — Length (inches, rectangular tanks)
\( W \) — Width (inches, rectangular tanks)
\( H \) — Height (inches, rectangular tanks)
\( r \) — Radius (inches, cylindrical tanks)
\( h \) — Height (inches, cylindrical tanks)

Explanation: The calculator converts cubic inches to gallons (1 gallon = 231 cubic inches) after calculating the tank's volume.

3. Importance of Tank Volume Calculation

Details: Accurate volume measurement ensures proper sizing for storage needs, process requirements, and safety considerations.

4. Using the Calculator

Tips:

Select tank shape (rectangular or cylindrical)
Enter dimensions in inches
All values must be positive numbers
For cylindrical tanks, measure diameter and divide by 2 for radius

5. Frequently Asked Questions (FAQ)

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

Q2: Can I use feet instead of inches?
A: Yes, but multiply your foot measurements by 12 first (1 foot = 12 inches).

Q3: What about oval or irregular shaped tanks?
A: For oval tanks, approximate as cylindrical. For irregular shapes, break into regular shapes and sum volumes.

Q4: Does this account for tank thickness?
A: No, measure internal dimensions for accurate volume calculations.

Q5: How precise should my measurements be?
A: For most applications, measuring to the nearest 1/4 inch is sufficient.