Willyrover

(Metric) Tank Capacity Calculator.Determine the volume of cylindrical or square tanks including available storage between the outlet pipe and overflow …

A very simple ratio calculator when adding oil to fuel to make 2 stroke mixture. Just press the buttons to adjust the fuel or ratio required to give y …

A simple App to work out how much Sodium Hypochlorite (Hypo) to add to your batch to achieve a desired percentage strength.Also included is a reservoi …