How many UK pints equals 64 fl oz US?

There are approximately 2.31 UK pints in 64 fl oz US.

To calculate this, you need to know that 1 UK pint is equal to 20 fl oz US. Therefore, 64 fl oz US is equal to 64 / 20 = 3.2 UK pints. However, since there are only 2.31 UK pints in 3.2 UK pints, the answer should be rounded to 2.31 UK pints.