Question 1

What is 240 nm in eV?

Accepted Answer

240 nm = 5.166 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 5.166 eV in nm?

Accepted Answer

5.166 eV = 240.0004 nm.

nm	eV
225 nm	5.5104
230 nm	5.3906
235 nm	5.2759
240	5.166
245 nm	5.0606
250 nm	4.9594
255 nm	4.8621

240 nm to eV

Formula