1000.
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90 milliliters would be equal to 0.09 liters. ChaCha with me again soon!
http://www.chacha.com/question/whatisequalto90...

1. Learn the order of metric volume units. To learn how to convert liters to milliliters, you must first understand the order of metric volume units. It helps to memorize them. They
http://www.ehow.com/how_4421273_changelitersmill...

1. Multiply the number of liters by one thousand. For example 1 Liter=1000 milliliters. Ad. Ad.
http://www.wikihow.com/ConvertLiterstoMillilite...
