Rice vinegar and white vinegar is not in fact the same thing; in fact there are quite a few distinctive differences between the two. White rice is completely colorless but it can be pale yellow as a liquid and is far less acidic than white vinegar as well as having a sweeter and much milder flavor. White vinegar in comparison is typically used for everyday things like cleaning out stained coffee pots as well as making pickles. It is cheap and efficient for these tasks, whereas rice vinegar is used more for its flavor in cooking.
Those who are looking for a substitute for rice wine vinegar will want to try apple cider vinegar as well as white vinegar mixed with just one part water for dilution. Anyone who is looking to change things up for in need of a substitute for one of these will want to try sugar in order to make the overall flavor a little bit smoother. Rice vinegar is made from fermented rice and resembles balsamic vinegar with regards to its taste, though it is usually not quite as sweet. Rice vinegar is regarded as being used more for culinary purposes while white vinegar is used for practical mundane tasks.