Tank Volume Calculator
A tiny calculator for cylindrical tank capacity.
Tank Volume Calculator is a small browser-based tool for calculating the capacity of a cylindrical tank from its diameter and length.
I built it because this is one of those calculations that is simple in theory but annoying to do repeatedly by hand. It supports metric and imperial inputs and instantly shows the result in liters, US gallons, cubic feet, and cubic meters.
Everything runs client-side in a single HTML file with no dependencies, accounts, tracking, or setup required.