Question 1

What is 249 nm in eV?

Accepted Answer

249 nm = 4.9793 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 4.9793 eV in nm?

Accepted Answer

4.9793 eV = 248.9993 nm.

nm	eV
234 nm	5.2985
239 nm	5.1876
244 nm	5.0813
249	4.9793
254 nm	4.8813
259 nm	4.787
264 nm	4.6964

249 nm to eV

Formula