Description : How can you use ratio reasoning to convert from one unit of weight or mass to another?
Last Answer : Here is a "safe" way to do ANY unit conversion - "safe" in thesense that you are unlikely to get a wrong answer. This works forANY units of the same type, not just weight or mass.Let's assume,for ... / mm, which is technically correct, but useless.If you are not sure, you can try it both ways.