Question 1

What is 689.5 eV in nm?

Accepted Answer

689.5 eV = 1.7982 nm. Use the converter on this page to convert to other photon energy units instantly.

Question 2

How do you convert eV to nm?

Accepted Answer

Formula: E(eV) = 1239.84 ÷ λ(nm) · f(THz) = E(eV) × 241.799 · E = hc/λ = hf. Multiply your eV value by the appropriate factor to get nm, or use the interactive converter above.

Question 3

What is 1.7982 nm in eV?

Accepted Answer

1.7982 nm = 689.4906 eV.

eV	nm
674.5 eV	1.8382
679.5 eV	1.8246
684.5 eV	1.8113
689.5	1.7982
694.5 eV	1.7852
699.5 eV	1.7725
704.5 eV	1.7599

689.5 eV to nm

Formula