Question 1

What is 278 nm in eV?

Accepted Answer

278 nm = 4.4599 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 4.4599 eV in nm?

Accepted Answer

4.4599 eV = 277.9977 nm.

nm	eV
263 nm	4.7142
268 nm	4.6263
273 nm	4.5415
278	4.4599
283 nm	4.3811
288 nm	4.305
293 nm	4.2315

278 nm to eV

Formula