Question 1

What is 489 nm in eV?

Accepted Answer

489 nm = 2.5355 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 2.5355 eV in nm?

Accepted Answer

2.5355 eV = 488.9931 nm.

nm	eV
474 nm	2.6157
479 nm	2.5884
484 nm	2.5617
489	2.5355
494 nm	2.5098
499 nm	2.4847
504 nm	2.46

489 nm to eV

Formula