Convert metric liters into fluid ounces (fl oz) for both US and Imperial systems.
Bottles and Hydration
Water bottles are often sold in 1 or 2 liter sizes, but dietary recommendations in the US are usually given in fluid ounces.
The Ratio
There are approximately 33.814 US fluid ounces in a single liter. If you are using UK Imperial ounces, there are approximately 35.195 fl oz per liter.