Question 1

What is 4 nm in eV?

Accepted Answer

4 nm = 309.9605 eV. Use the converter on this page to convert to other photon energy units instantly.

Question 2

How do you convert nm to eV?

Accepted Answer

Formula: E(eV) = 1239.84 ÷ λ(nm) · f(THz) = E(eV) × 241.799 · E = hc/λ = hf. Multiply your nm value by the appropriate factor to get eV, or use the interactive converter above.

Question 3

What is 309.9605 eV in nm?

Accepted Answer

309.9605 eV = 4 nm.

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

4 nm to eV

Formula