How many barrels are In a 400 barrel oil tank per foot?

The number of barrels in a 400-barrel oil tank per foot depends on the tank's dimensions, specifically its diameter. Generally, if a tank is designed to hold a total of 400 barrels when full, it will have a specific height and diameter that determines the volume per foot. To calculate the volume per foot, you would need the tank's diameter to find the total volume and then divide by the tank's height. Without this information, it's impossible to provide an exact figure.