Question 1

What is 189 nm in eV?

Accepted Answer

189 nm = 6.56 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 6.56 eV in nm?

Accepted Answer

6.56 eV = 189.0003 nm.

nm	eV
174 nm	7.1255
179 nm	6.9265
184 nm	6.7383
189	6.56
194 nm	6.3909
199 nm	6.2304
204 nm	6.0777

189 nm to eV

Formula