Question 1

What is 397 nm in eV?

Accepted Answer

397 nm = 3.123 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 3.123 eV in nm?

Accepted Answer

3.123 eV = 397.0035 nm.

nm	eV
382 nm	3.2457
387 nm	3.2037
392 nm	3.1629
397	3.123
402 nm	3.0842
407 nm	3.0463
412 nm	3.0093

397 nm to eV

Formula