Question 1

What is 423 nm in eV?

Accepted Answer

423 nm = 2.9311 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 2.9311 eV in nm?

Accepted Answer

2.9311 eV = 422.9955 nm.

nm	eV
408 nm	3.0388
413 nm	3.002
418 nm	2.9661
423	2.9311
428 nm	2.8968
433 nm	2.8634
438 nm	2.8307

423 nm to eV

Formula