L x W x D = Cubic Feet
Cubic Feet x 7.47 = Gallons
PI = 3.1417
Radius = 1/2 Diameter
PI x Rē x D = Cubic Feet

Accuracy Limited By Browser Capability
Generally Good For 18 Digits

You can calculate the volume of the tank by entering the MAXIMUM depth of the tank. You can calculate the volume of water by entering ONLY the depth of the water within the tank. While our formulae are from accepted standards, please use this calculator at your own risk. It is only as accurate as the information you enter and should be considered a close estimate.