There are 2.11 U.S. pints in 1 metric liter. The quart is similar to the liter, with 1 liter being equal to 1.05 quarts. Although the metric system was sanctioned in the United States in 1866, it has never been adopted as an official standard, as of 2015.
The United States, Liberia and Burma/Myanmar are the only countries that have not officially adopted the metric system, as of 2015. Many experts blame resistance from American consumers for failing to convert to the metric system; however, this is not entirely accurate. Americans have been buying 2-liter bottles of Coke for years, participate in 5-kilometer road races and once loaded their cameras with 35-millimeter film.