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Wave Speed Calculator
Enter frequency and wavelength — speed and period update instantly.
Formula
v = f · λ | T = 1/f
Reference Speeds
| Wave | v (m/s) |
|---|---|
| Sound in air (20 °C) | 343 |
| Sound in water | 1480 |
| Sound in steel | 5900 |
| Light in vacuum | 299,792,458 |
FAQ
What is 100 Hz wavelength in air?
λ = 343/100 = 3.43 m — bass frequencies have multi-meter wavelengths, which is why they bend around obstacles.
Does frequency change between media?
No — frequency stays constant; speed and wavelength change together when a wave enters a new medium.