Using this tool, you can convert between color, wavelength, energy, and frequency.
Please enter your input without units. The program will recognize your units for you.
If you wish to input frequency or energy, please input it in scientific notation with an e. Example: 5e14 or 3e-19
Enter a wavelength, color, frequency, or amount of energy:
Press Enter (or the button) to get your result
Useful Symbols:
λ = wavelength
c = speed of light
v or f = frequency
h = Planck constant