473.17 ml.
http://wiki.answers.com/Q/What_is_1_pint_equal_to_...

In 1 pint, there are 473.176473 milliliters. To convert milliliters to pints, all you need to do is divide the number of milliliters by 473.176473. For instance 2,365 milliliters
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1 First, let's put these two units of measurement in perspective. When doing this English to metric conversion, keep in mind that a pint or kilo is heavier, way, way heavier, than
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A 375 ml bottle is considered a pint. Most liquor stores carry pints, half pints (200 ml) and "airplane bottles" which are 50 ml. There are "quarter pint" 100
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