Question 1

What is 290.5 nm in eV?

Accepted Answer

290.5 nm = 4.268 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 4.268 eV in nm?

Accepted Answer

4.268 eV = 290.4972 nm.

nm	eV
275.5 nm	4.5003
280.5 nm	4.4201
285.5 nm	4.3427
290.5	4.268
295.5 nm	4.1957
300.5 nm	4.1259
305.5 nm	4.0584

290.5 nm to eV

Formula