Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
1 photons/s = [3x10^11 GHz][ ([1(x N s) / (1) photons]/[c])/(1 u*1) ]^-1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random