120 ft to in 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 Inches are 120 Feet we have to multiply 120 by 12 and divide the product by 1. So for 120 we have: (120 × 12) ÷ 1 = 1440 ÷ 1 = 1440 Inches
So finally 120 ft = 1440 in
