1. What is the Fish Tank Volume Formula?

The fish tank volume formula calculates the water capacity of an aquarium in gallons based on its dimensions. The formula \( V = L \times W \times H / 231 \) converts cubic inches to gallons, where 231 cubic inches equals 1 US gallon.

2. How Does the Calculator Work?

The calculator uses the fish tank volume formula:

Where:

• \( V \) — Volume in gallons
• \( L \) — Length in inches
• \( W \) — Width in inches
• \( H \) — Height in inches

Explanation: The formula calculates the cubic volume of the tank and converts it to gallons using the standard conversion factor of 231 cubic inches per gallon.

3. Importance of Accurate Volume Calculation

Details: Knowing your tank's exact volume is crucial for proper fish stocking, medication dosing, filter selection, and maintaining healthy water parameters.

4. Using the Calculator

Tips: Measure the inside dimensions of your tank (excluding glass thickness) in inches. Enter length, width, and height as positive numbers. All values must be valid (greater than 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 used in aquarium volume calculations.

Q2: Should I include the glass thickness in measurements?
A: No, measure the internal dimensions only. The glass thickness reduces the actual water volume.

Q3: How do I measure irregularly shaped tanks?
A: For irregular shapes, break them down into regular geometric shapes, calculate each volume separately, then sum them.

Q4: Does this work for saltwater and freshwater tanks?
A: Yes, the volume calculation is the same regardless of water type, though saltwater is slightly denser.

Q5: How accurate is this calculation?
A: Very accurate for rectangular tanks. For tanks with curved corners, it provides a close approximation that's suitable for aquarium purposes.