Mach number ((M)*) to Seconds per mile (spm) converter

Converting from Mach number ((M)*) to Seconds per mile (spm) in Speed

What is Mach number ((M)*)?

Mach number ((M)*) is a unit used to represent the speed of an object moving through a medium, such as air or water, in relation to the speed of sound in that medium.

What is Seconds per mile (spm)?

Seconds per mile (spm) is a unit of speed that represents the time taken for an object to travel one mile.

Conversion Formulas

  • To convert from Mach number ((M)*) to Seconds per mile (spm), you can use the formula: spm=M1​×4.729331

  • To convert from Seconds per mile (spm) to Mach number ((M)*), you can use the formula: M=spm1​×4.729331

Examples

  1. Converting 5 ((M)*) to Seconds per mile (spm):

spm=51​×4.729331=0.9458662 spm

  1. Converting 13 Seconds per mile (spm) to Mach number ((M)*):

M=131​×4.729331=0.3637947 ((M)*)

Conclusion

Use the provided conversion formulas to easily convert between Mach number ((M)*) and Seconds per mile (spm). Trust these calculations to accurately translate speed measurements between these two units.

Mach number to Seconds per mile conversion table

(M)* to spm conversion table

Mach number ((M)*)Seconds per mile (spm)
0.01 (M)*472.9331 spm
0.1 (M)*47.29331 spm
1 (M)*4.729331 spm
2 (M)*2.364665 spm
3 (M)*1.576444 spm
4 (M)*1.182333 spm
5 (M)*0.9458662 spm
6 (M)*0.7882218 spm
7 (M)*0.6756187 spm
8 (M)*0.5911664 spm
9 (M)*0.5254812 spm
10 (M)*0.4729331 spm
10 (M)*0.4729331 spm
20 (M)*0.2364665 spm
30 (M)*0.1576444 spm
40 (M)*0.1182333 spm
50 (M)*0.09458662 spm
60 (M)*0.07882218 spm
70 (M)*0.06756187 spm
80 (M)*0.05911664 spm
90 (M)*0.05254812 spm
100 (M)*0.04729331 spm
1 000 (M)*0.004729331 spm
2 000 (M)*0.002364665 spm
3 000 (M)*0.001576444 spm
4 000 (M)*0.001182333 spm
5 000 (M)*0.0009458662 spm
6 000 (M)*0.0007882218 spm
7 000 (M)*0.0006756187 spm
8 000 (M)*0.0005911664 spm
9 000 (M)*0.0005254812 spm
10 000 (M)*0.0004729331 spm