Question 1

What is 279 nm in eV?

Accepted Answer

279 nm = 4.4439 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 4.4439 eV in nm?

Accepted Answer

4.4439 eV = 278.9986 nm.

nm	eV
264 nm	4.6964
269 nm	4.6091
274 nm	4.525
279	4.4439
284 nm	4.3656
289 nm	4.2901
294 nm	4.2171

279 nm to eV

Formula