Question 1

What is 4 eV in nm?

Accepted Answer

4 eV = 309.9605 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 309.9605 nm in eV?

Accepted Answer

309.9605 nm = 4 eV.

eV	nm
2.5 eV	495.9368
3 eV	413.2807
3.5 eV	354.2406
4	309.9605
4.5 eV	275.5204
5 eV	247.9684
5.5 eV	225.4258

4 eV to nm

Formula