In the course of this short work, THE ETHICAL CALCULUS Ð A METHOD FOR SOLVING COMPLEX ETHICAL DECISIONS Ð I am going to try and present a simple and effective method for solving ethical puzzles and choices such as confront us in every day life all the time. Should be do x or y ? Should we share a certain piece of information w with person T that may or may not benefit them ? How should we vote in the forthcoming general election, for candidate x,y or z ? Should we accept job offer m or still hold out for job offer n ? She we stay in relationship p or try and move on to relationship q ? And so on.. these are the sorts of decisions we all face in our normal daily lives. At the moment there exists no overall satisfactory framework for making these complex decisions. I have tried to combine the fruits of a detailed study of comparative global ethics with a simple practical method for actually calculating complex ethical choices, the sort we face as individuals and societies all the time, especially in our complex COVID world. In effect, reading and then applying this book is like doing an MA in Global Philosophy.