1500 meter per second to mach 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 Mach are 1500 Meters per Second we have to multiply 1500 by 10 and divide the product by 3313. So for 1500 we have: (1500 × 10) ÷ 3313 = 15000 ÷ 3313 = 4.5276184726834 Mach
So finally 1500 meter per second = 4.5276184726834 mach