Axis

Mach number

Mach numberMa

The ratio of flow speed to the local speed of sound.

Dimension
1
Canonical signature
1
System
common
Exactness
Context dependent

Definition record

How this unit is defined

Canonical base
This unit defines its own base.
Conversion type
context
Historical notes
Requires the local speed of sound; sea-level ISA is 340.29 m/s.
Aliases
mach, mach number

Same dimension

Related units

percentcommon%decibelsi accepteddBparts per millioncommonppmparts per billioncommonppbspecific gravitycommonSGparts per trillioncommonpptexposure valuecommonEVper millecommon‰

Common conversions

Every conversion routes through the canonical base of the dimension.

This unit defines its own dimension.