Question 1

What is 421 eV in nm?

Accepted Answer

421 eV = 2.945 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 2.945 nm in eV?

Accepted Answer

2.945 nm = 420.999 eV.

eV	nm
406 eV	3.0538
411 eV	3.0166
416 eV	2.9804
421	2.945
426 eV	2.9104
431 eV	2.8767
436 eV	2.8437

421 eV to nm

Formula