Question 1

What is 289 nm in eV?

Accepted Answer

289 nm = 4.2901 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 4.2901 eV in nm?

Accepted Answer

4.2901 eV = 289.0007 nm.

nm	eV
274 nm	4.525
279 nm	4.4439
284 nm	4.3656
289	4.2901
294 nm	4.2171
299 nm	4.1466
304 nm	4.0784

289 nm to eV

Formula