166.5 g 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 of butter are 166.5 Grams of Butter we have to multiply 166.5 by 200000 and divide the product by 45359237. So for 166.5 we have: (166.5 × 200000) ÷ 45359237 = 33300000 ÷ 45359237 = 0.73413933307564 Cups of butter
So finally 166.5 g = 0.73413933307564 cup