Question 1

What is 620.5 eV in nm?

Accepted Answer

620.5 eV = 1.9981 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 1.9981 nm in eV?

Accepted Answer

1.9981 nm = 620.5105 eV.

eV	nm
605.5 eV	2.0476
610.5 eV	2.0309
615.5 eV	2.0144
620.5	1.9981
625.5 eV	1.9822
630.5 eV	1.9664
635.5 eV	1.951

620.5 eV to nm

Formula