🌊 Physics & Waves
Wavelength Calculator
Calculate wavelength, frequency, or wave speed using the wave equation.
📐 Wave Parameters
Frequency
Hz
Wave Speed
m/s
Speed of sound in air: 343 m/s, Speed of light: 3×10⁸ m/s
🧮 Medium Presets
Medium
Air: 343 m/s
🔢 Unit Selection
Wavelength Unit
Wavelength unit: m
λ
0
Wavelength
0 m
λ = v / f
Frequency
0 Hz
Wave Speed
0 m/s
Period
0 s
Wave Number
0 m⁻¹
📊 Wave Details
| Parameter | Value | Unit |
|---|
How the formula works
λ = v / f | f = v / λ | v = f × λ | T = 1 / f
- λ = Wavelength (m)
- v = Wave speed (m/s)
- f = Frequency (Hz)
- T = Period (s) = 1 / f
- k = Wave number (m⁻¹) = 2π / λ
- Speed of Sound: Air=343, Water=1480, Glass=5100 m/s
- Speed of Light: Vacuum=3×10⁸ m/s
- EM Spectrum: Radio (1m+), Microwave (1mm-1m), Infrared (700nm-1mm), Visible (400-700nm), UV (10-400nm), X-ray (0.01-10nm), Gamma (<0.01nm)