Aquarium Volume Formula:
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The aquarium tank volume calculation determines how many gallons of water your tank can hold based on its dimensions. This is essential for proper fish stocking, filtration setup, and water treatment.
The calculator uses the standard aquarium volume formula:
Where:
Explanation: The formula calculates cubic inches first, then converts to gallons (since 1 gallon = 231 cubic inches).
Details: Knowing your tank's volume is crucial for proper fish stocking levels, medication dosing, filter selection, and maintaining water quality.
Tips: Measure the inside dimensions of your tank (excluding the frame/trim) in inches. Enter all three dimensions for accurate results.
Q1: Why divide by 231?
A: 231 cubic inches equals 1 US gallon, which is the standard conversion factor for aquarium measurements.
Q2: Should I include the tank thickness in measurements?
A: No, measure only the interior water-holding space for accurate volume calculation.
Q3: How does shape affect volume calculation?
A: This formula is for rectangular tanks. Cylindrical or bow-front tanks require different formulas.
Q4: Does substrate affect tank volume?
A: Yes, gravel and decorations displace water. For precise volume, subtract about 10-20% if heavily decorated.
Q5: What's the average tank size for beginners?
A: 20-30 gallons are often recommended as they're more stable and forgiving than smaller tanks.