To calculate the gallons in your aquarium, multiply the length, width, and height of the tank, then multiply the result by 0.004329 to convert the cubic inches into gallons.
The Aquarium Gallons Calculator is a simple tool that helps you calculate the volume of water an aquarium can hold based on its dimensions. Knowing the water volume in your aquarium is crucial for fishkeeping, ensuring proper filtration, dosing, and stocking.

Formula:
Contents
Where:
- G = Gallons of water
- L = Length of the aquarium (in inches)
- W = Width of the aquarium (in inches)
- H = Height of the aquarium (in inches)
- 0.004329 = Conversion factor from cubic inches to gallons
How to Calculate ?
- Measure Length, Width, and Height: Take the measurements of your aquarium in inches.
- Apply the Formula: Multiply the length, width, and height of the aquarium. Then, multiply the result by 0.004329 to convert cubic inches to gallons.
- Get the Result: The final number is the total gallons your aquarium can hold.
Solved Calculations
Example 1:
Variable | Value |
---|---|
Length (L) | 24 inches |
Width (W) | 12 inches |
Height (H) | 12 inches |
Formula:
Answer: 14.94 gallons
Example 2:
Variable | Value |
---|---|
Length (L) | 36 inches |
Width (W) | 18 inches |
Height (H) | 18 inches |
Formula:
Answer: 50.61 gallons
What is Aquarium Gallons Calculator ?
The Aquarium Gallons Calculator is a helpful tool for fish enthusiasts and aquarists. It allows users to determine the volume of water in their aquarium, which is essential for maintaining a healthy environment for fish and aquatic plants. Knowing the gallons of water in your tank helps in monitoring water quality, dosing medications, and ensuring proper filtration.
To use the calculator, simply input the dimensions of your aquarium. Measurements can be taken in inches or centimeters, depending on the calculator.
For example, a standard 20-gallon tank might have dimensions of 24 x 12 x 16 inches. By calculating the volume, you can ensure you provide the right amount of water for your aquatic life.
In addition to volume, understanding how many fish can thrive in your aquarium is crucial. The general rule is one inch of fish per gallon of water, but this may vary based on the species. Various calculators are available online to help you figure out your tank’s capacity, making aquarium management easier.
Final Words:
Whether you’re setting up a new tank or maintaining an existing one, this tool is indispensable for any aquarium owner.