Why is 750ml called a fifth?

Related questions

1. Is 1 gallon of water a day too much?
2. Why is gas so expensive in Canada?
3. How much water is too much?
4. Is it safe to drink a gallon of water a day?
5. Is a gallon of water a day too much?
6. How much more is 1 liter than 750ml?
7. Is a 5th or a handle bigger?
8. Is gas cheaper in Canada or US?
9. How many liters should you drink a day?
10. How far can a full tank of gas get you?

Tags

1. #united
2. #beverages
3. #fifth
4. #liquid
5. #distilled
6. #sometimes
7. #standard
8. #superseded
9. #equal
10. #metric
11. #quart
12. #states
13. #fluid
14. #volume
15. #bottle
16. #which
17. #capacity
18. #gallon
19. #ounces
20. #formerly
21. #called