Question 1

What is 428 nm in eV?

Accepted Answer

428 nm = 2.8968 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 2.8968 eV in nm?

Accepted Answer

2.8968 eV = 428.004 nm.

nm	eV
413 nm	3.002
418 nm	2.9661
423 nm	2.9311
428	2.8968
433 nm	2.8634
438 nm	2.8307
443 nm	2.7987

428 nm to eV

Formula