250 fps to mph 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 Miles per Hour are 250 Feet per Second we have to multiply 250 by 15 and divide the product by 22. So for 250 we have: (250 × 15) ÷ 22 = 3750 ÷ 22 = 170.45454545455 Miles per Hour
So finally 250 fps = 170.45454545455 mph
