Tank Size Calculator
Calculate the volume and capacity of a tank based on its dimensions and shape.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Tank Size Calculator
- Select Tank Shape: Choose either Rectangular or Cylindrical from the dropdown. The input fields will update automatically.
- Enter Dimensions (in feet):
- For Rectangular: Provide Length, Width, and Height (all in feet).
- For Cylindrical: Provide Diameter and Height (both in feet).
- Click "Calculate": The calculator computes the volume in cubic feet, then converts it to US gallons and liters.
- Read the Results: The output shows:
- Volume in cubic feet (cu ft)
- Approximate volume in US gallons
- Approximate volume in liters
Note: All inputs must be positive numbers. The calculator uses imperial units (feet). For metric conversions, the results include liters automatically.
Previous Results
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Frequently Asked Questions
Select the tank shape (rectangular or cylindrical), enter the dimensions in feet, and click Calculate. The volume in cubic feet, gallons, and liters will be displayed.
For rectangular tanks: Volume = Length × Width × Height. For cylindrical tanks: Volume = π × (Diameter/2)² × Height.
Currently, the calculator uses feet for dimensions. To use other units, convert them to feet first. For example, 1 meter ≈ 3.28084 feet.