Question 1

What is 621 eV in nm?

Accepted Answer

621 eV = 1.9965 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 1.9965 nm in eV?

Accepted Answer

1.9965 nm = 621.0078 eV.

eV	nm
606 eV	2.0459
611 eV	2.0292
616 eV	2.0127
621	1.9965
626 eV	1.9806
631 eV	1.9649
636 eV	1.9494

621 eV to nm

Formula