Wave Speed, Frequency and Wavelength Calculator
Rearranges the wave equation. For radio waves and light, the wavelength calculator takes the speed of light and a cable’s velocity factor.
Answer
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Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Wave speed —
Frequency —
Wavelength —
Period —
The formula
v = f × λ
The frequency stays the same when a wave passes into a new medium. Its speed and wavelength change.
What to watch out for
Sound in air travels at about 343 m/s at 20 °C. The speed of sound calculator gives it at other temperatures.
Frequently Asked Questions
What is the wavelength of a 440 Hz note in air?
0.78 m, at 343 m/s.
What is the speed of a water wave with a 2 m wavelength at 0.5 Hz?
1 m/s.