Question 1

What is 280 nm in eV?

Accepted Answer

280 nm = 4.428 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 4.428 eV in nm?

Accepted Answer

4.428 eV = 280.0004 nm.

nm	eV
265 nm	4.6786
270 nm	4.592
275 nm	4.5085
280	4.428
285 nm	4.3503
290 nm	4.2753
295 nm	4.2029

280 nm to eV

Formula