Water Tank Capacity Calculator
Calculate the volume of rectangular, cylindrical and capsule tanks in liters and gallons.
Enter your values to see the result.
Continue your work
- Volume Calculator — Calculate other shapes.
- Volume Converter — Convert liters and gallons.
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
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How to use the Water Tank Capacity Calculator
Calculate the volume of rectangular, cylindrical and capsule tanks in liters and gallons.
- 1 Choose the tank shape and unit.
- 2 Enter the tank dimensions.
- 3 Add the current water depth to see how full it is.
Example and practical tips
A vertical tank 120 cm across and 150 cm tall holds about 1,696 liters.
Frequently asked questions
How is a horizontal tank measured?
By its diameter and length; the water volume at a given depth uses the circular segment formula.
How many liters in a cubic meter?
1,000 liters.
Report an issue
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