Electromagnetic Frequency, Wavelength
and Energy Ultra Calculator
For a calculator that computes sound waves, click here.
Scroll to the bottom for instructions.
Electromagnetic waves travel at the speed of light (299,792,458 meters
per second) and their frequency and wavelength can be determined by the formulas:
where 'c' is the speed of light in meters per second, the Greek letter lambda λ
is the wavelength in meters and the frequency is in cycles per second.
Also, the photon energy can be calculated by the formulas:
where 'e' is energy (joules), 'f' is frequency (cycles per second), 'h' is Planck's
constant (6.6260695729 x 10-34 Joule*seconds) and wavelength
is in meters.|
As always, we have written a calculator to make the work a little easier for you.
I N S T R U C T I O N S|
This is what we call an ultra calculator, which means, you have multiple choices for input and output.
For this calculator, you choose from 12 different units of input and the output is displayed in eight different units.
For example, if you wanted to know the wavelength and photon energy of a 27 megahertz frequency, enter 27 in the "Input Amount" box, click on the
MHz button, and you'll have wavelength and energy in 4 units each.
For easy readability, the answers are displayed in a "significant figure" format so you will
not see answers such as 77.3333333333333333.
Numbers larger than 1,000 and smaller than .001 will be displayed in scientific notation
and with the same number of significant figures specified.
You may change the significant figures displayed by
changing the number in the box above.
Most browsers, will display the answers properly but
there are a few browsers that will show no output whatsoever. If so, enter a zero
in the box above. This eliminates all formatting but it is better than seeing no
output at all.
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