Question 1

What is 381 nm in eV?

Accepted Answer

381 nm = 3.2542 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 3.2542 eV in nm?

Accepted Answer

3.2542 eV = 380.9975 nm.

nm	eV
366 nm	3.3875
371 nm	3.3419
376 nm	3.2975
381	3.2542
386 nm	3.212
391 nm	3.171
396 nm	3.1309

381 nm to eV

Formula