Question 1

What is 261 nm in eV?

Accepted Answer

261 nm = 4.7504 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 4.7504 eV in nm?

Accepted Answer

4.7504 eV = 260.9974 nm.

nm	eV
246 nm	5.04
251 nm	4.9396
256 nm	4.8431
261	4.7504
266 nm	4.6611
271 nm	4.5751
276 nm	4.4922

261 nm to eV

Formula