# Speed Of Sound

- Mach Number - The Mach number is a dimensionless quantity representing the speed of an object relative to the speed of sound in a surrounding medium. Use this calculator to determine the Mach number.
- Mach Number Calculation - This formula calculates the Mach number by dividing the velocity of an object by the local speed of sound.
- Speed of Sound in Air - The speed of sound in the air can be calculated using the temperature with this formula. This calculator helps calculate the speed of sound in air.