Fish Tank Gallon Formula:
From: | To: |
The Fish Tank Gallon Size Calculator estimates the water capacity of rectangular aquariums in US gallons. It uses standard volume calculation formulas specifically designed for fish tank measurements.
The calculator uses the standard volume formula:
Where:
Explanation: The formula calculates the volume in cubic inches and converts it to US gallons using the standard conversion factor of 231 cubic inches per gallon.
Details: Accurate tank volume calculation is crucial for proper fish stocking, filtration system selection, medication dosing, and overall aquarium maintenance. Knowing the exact volume helps maintain healthy water parameters.
Tips: Measure the inside dimensions of your aquarium (length, width, height) in inches. Enter all measurements accurately for the most precise volume calculation. Remember to measure from the inside of the glass, not the outside.
Q1: Why use 231 as the conversion factor?
A: 231 cubic inches equals exactly 1 US gallon, which is the standard conversion used in the United States for liquid volume measurements.
Q2: Should I include substrate and decorations in my calculations?
A: No, this calculator gives you the total water capacity. For actual water volume, subtract the space taken by substrate, decorations, and equipment.
Q3: Can I use this calculator for cylindrical tanks?
A: No, this calculator is designed for rectangular tanks only. Cylindrical tanks require a different formula using radius and height.
Q4: How accurate is this calculation?
A: The calculation is mathematically precise. Accuracy depends on the precision of your measurements and whether you're measuring internal or external dimensions.
Q5: What's the difference between US gallons and imperial gallons?
A: US gallons (used here) are smaller than imperial gallons. 1 US gallon = 231 cubic inches, while 1 imperial gallon = 277.42 cubic inches.