There are 33.81 fluid US ounces in a liter.For reference, that equals roughly a quarter of a gallon. One liter of water is about the same as filling half of ahalf-gallonwater bottle. Many people don’t know the difference between ounces and liters. Since these two types of units are used worldwide, you must know how many ounces there are in a liter.
People have been using straws for a long time (some sources say 6 or 7 thousand years!), so there are some great advantages. When thinking about what makes straws useful, there are two angles we can consider: practical, and healthy.