Question 1

What is 256.5 nm in eV?

Accepted Answer

256.5 nm = 4.8337 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 4.8337 eV in nm?

Accepted Answer

4.8337 eV = 256.4996 nm.

nm	eV
241.5 nm	5.1339
246.5 nm	5.0298
251.5 nm	4.9298
256.5	4.8337
261.5 nm	4.7413
266.5 nm	4.6523
271.5 nm	4.5666

256.5 nm to eV

Formula