Water Tank Calculator
About Water Tank Calculator
Water Tank Capacity Calculator — Accurately calculate the volume and total water capacity in liters or gallons for rectangular, square, and cylindrical water tanks.
How to use the Water Tank Calculator
- Select the shape of your water tank (Rectangular/Square or Cylindrical).
- Enter the internal dimensions (Length, Width, Depth, or Diameter/Height) in meters or feet.
- Click Calculate to instantly see the volume in cubic units and the water holding capacity in liters.
FAQs
How to calculate water tank capacity in liters?
First find the internal volume of the tank in cubic meters. Since 1 cubic meter holds exactly 1,000 liters of water, simply multiply the volume in cubic meters by 1000 to get the capacity in liters. Our calculator handles this conversion for you automatically!
What is the formula for cylindrical tank volume?
The volume of a cylindrical tank is calculated using the formula: Volume = π × r² × h, where 'r' is the radius (half the diameter) and 'h' is the height of the cylinder.