Physics & Engineering
Speed of Sound Calculator
Calculate the speed of sound in air based on air temperature.
Your inputs
Change any value to update the result instantly.
Speed of sound
343.42 m/s
In km/h
1,236.3 km/h
In mph
768.2 mph
Temperature used
20 °C
Formula and working
v = 331.3 + 0.606 × T
- 1
Collect the inputs
Air temperature = 20 °C
- 2
Apply the formula
v = 331.3 + 0.606 × T
- 3
Result
Speed of sound = 343.42 m/s
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Report a mistake or request an improvement
Tell us if a formula, unit, explanation, or result needs attention. Your message will include this calculator’s name and page.
Related calculators
Decibel Level Calculator
Calculate the sound level in decibels from an intensity ratio relative to the threshold of hearing.
Doppler Effect Calculator
Calculate the observed frequency of a sound wave as source and observer move relative to each other.
Snell's Law Calculator
Calculate the angle of refraction as light passes between two media using Snell's law.
Archimedes' Buoyancy Calculator
Calculate the buoyant force on an object submerged in a fluid using Archimedes' principle.
Bernoulli's Equation Calculator
Solve for downstream pressure using Bernoulli's equation for incompressible fluid flow.
Centripetal Force Calculator
Calculate the centripetal force required to keep an object moving in a circular path.