So a principal lesson of the butterfly effect is the opposite of Redford's line: It is extremely hard to calculate such things with certainty. There are many butterflies out there. A tornado in Texas could be caused by a butterfly in Brazil, Bali, or Budapest. Realistically, we can't know.
There are 0.473176473 liter in a pint. 1 Pint is equal to 0.473176473 Liter. 1 pint = 0.473176473 L. Commonly used for measuring volume for liquid substances used widely around the world, in the countries adopted the Imperial system and the SI. There are a few types of pint, and the pint used in the US and the former colonies of this country is a liquid pint which is equal to approximately 473 mL.
One gallon contains 4 quarts, which is also equivalent to 8 pints or 16 cups of liquid. Other countries use liters over gallons when it comes to liquid measurement. One liter is roughly the equivalent of 1 quart. Thus, 4 liters are approximately the same as 1 U.S. gallon.