1.375 fl oz to cup conversion result above is displayed in three different forms: as a decimal (which could be rounded), in scientific notation (scientific form, standard index form or standard form in the United Kingdom) and as a fraction (exact result). Every display form has its own advantages and in different situations particular form is more convenient than another. For example usage of scientific notation when working with big numbers is recommended due to easier reading and comprehension. Usage of fractions is recommended when more precision is needed.
If we want to calculate how many Cups are 1.375 Ounces we have to multiply 1.375 by 1 and divide the product by 8. So for 1.375 we have: (1.375 × 1) ÷ 8 = 1.375 ÷ 8 = 0.171875 Cups
So finally 1.375 fl oz = 0.171875 cup