Question 1

What is 257.5 nm in eV?

Accepted Answer

257.5 nm = 4.8149 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 4.8149 eV in nm?

Accepted Answer

4.8149 eV = 257.5011 nm.

nm	eV
242.5 nm	5.1128
247.5 nm	5.0095
252.5 nm	4.9103
257.5	4.8149
262.5 nm	4.7232
267.5 nm	4.6349
272.5 nm	4.5499

257.5 nm to eV

Formula