1. What is the Tank Volume Formula?

The tank volume formula calculates the capacity of a cylindrical tank in gallons using the radius and height measurements in inches. The formula accounts for the conversion from cubic inches to gallons.

2. How Does the Calculator Work?

The calculator uses the tank volume formula:

Where:

• \( \pi \) — Approximately 3.14159
• \( r \) — Radius of the tank (inches)
• \( h \) — Height of the tank (inches)
• 231 — Cubic inches per US gallon

Explanation: The formula calculates the volume of a cylinder in cubic inches and converts it to gallons.

3. Importance of Tank Volume Calculation

Details: Accurate tank volume calculation is essential for determining storage capacity, planning liquid quantities, and ensuring proper tank sizing for industrial, agricultural, or residential use.

4. Using the Calculator

Tips: Enter radius and height in inches. Both values must be positive numbers. Measure the inside dimensions of the tank for most accurate results.

5. Frequently Asked Questions (FAQ)

Q1: Why divide by 231 in the formula?
A: There are 231 cubic inches in one US gallon, so this converts the volume from cubic inches to gallons.

Q2: Does this work for non-cylindrical tanks?
A: No, this formula is specifically for right circular cylinders. Other shapes require different formulas.

Q3: Should I use inside or outside dimensions?
A: For capacity calculations, always use inside dimensions unless calculating material volume.

Q4: How accurate is this calculation?
A: The calculation is mathematically precise for perfect cylinders. Real-world tanks may vary due to manufacturing tolerances.

Q5: Can I use this for metric measurements?
A: No, this formula is specifically for inches. For metric, use liters = π × r² × h / 1000 (r and h in cm).