Question 1

What is 561.5 eV in nm?

Accepted Answer

561.5 eV = 2.2081 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 2.2081 nm in eV?

Accepted Answer

2.2081 nm = 561.4972 eV.

eV	nm
546.5 eV	2.2687
551.5 eV	2.2481
556.5 eV	2.2279
561.5	2.2081
566.5 eV	2.1886
571.5 eV	2.1695
576.5 eV	2.1506

561.5 eV to nm

Formula