Question 1

What is 221.5 nm in eV?

Accepted Answer

221.5 nm = 5.5975 eV. Use the converter on this page to convert to other photon energy units instantly.

Question 2

How do you convert nm to eV?

Accepted Answer

Formula: E(eV) = 1239.84 ÷ λ(nm) · f(THz) = E(eV) × 241.799 · E = hc/λ = hf. Multiply your nm value by the appropriate factor to get eV, or use the interactive converter above.

Question 3

What is 5.5975 eV in nm?

Accepted Answer

5.5975 eV = 221.4992 nm.

nm	eV
206.5 nm	6.0041
211.5 nm	5.8621
216.5 nm	5.7268
221.5	5.5975
226.5 nm	5.4739
231.5 nm	5.3557
236.5 nm	5.2425

221.5 nm to eV

Formula