1. What is the Well Volume Formula?

The well volume formula calculates the total capacity of a cylindrical well in gallons. It's based on the standard volume formula for a cylinder, converted to gallons using the conversion factor of 7.48 gallons per cubic foot.

2. How Does the Calculator Work?

The calculator uses the well volume formula:

Where:

• \( \pi \) — Mathematical constant (~3.14159)
• \( Radius \) — Well radius in feet
• \( Height \) — Well height/depth in feet
• 7.48 — Conversion factor (gallons per cubic foot)

Explanation: The formula first calculates the volume in cubic feet (πr²h), then converts it to gallons by multiplying by 7.48.

3. Importance of Well Volume Calculation

Details: Knowing well volume is essential for water treatment, pump sizing, well disinfection, and determining water storage capacity.

4. Using the Calculator

Tips: Enter radius and height in feet. Both values must be positive numbers. The calculator will compute the total volume in gallons.

5. Frequently Asked Questions (FAQ)

Q1: What if my well isn't perfectly cylindrical?
A: This calculation assumes a perfect cylinder. For irregular shapes, more complex calculations or measurements are needed.

Q2: Why multiply by 7.48?
A: There are 7.48 gallons in one cubic foot of water. This converts the volume from cubic feet to gallons.

Q3: Should I use inside or outside diameter?
A: Use the inside diameter/radius for water capacity calculations, as this represents the actual water-holding space.

Q4: How accurate is this calculation?
A: It's mathematically precise for perfect cylinders. Real-world accuracy depends on how well your well matches this shape.

Q5: Can this be used for horizontal tanks?
A: Yes, as long as the tank is cylindrical and you're measuring the full length as "height" in the formula.