How many cups are in 1.5 liters?

To convert liters to cups, it's important to know that 1 liter is approximately equivalent to 4.22675 cups. Therefore, to find out how many cups are in 1.5 liters, you can multiply 1.5 by the conversion factor:

1.5 liters × 4.22675 cups/liter = approximately 6.365125 cups.

This result closely rounds to 6.3 cups, making it the correct choice among the options provided. Understanding measurement conversions is essential in practical situations, as it allows for precise communication of volume in various contexts, such as cooking or scientific experiments.