1300 km per hour 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 1300 Kilometers per Hour we have to multiply 1300 by 25 and divide the product by 29817. So for 1300 we have: (1300 × 25) ÷ 29817 = 32500 ÷ 29817 = 1.0899822249053 Mach
So finally 1300 km per hour = 1.0899822249053 mach