Question 1

What is 279.5 nm in eV?

Accepted Answer

279.5 nm = 4.4359 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 4.4359 eV in nm?

Accepted Answer

4.4359 eV = 279.5018 nm.

nm	eV
264.5 nm	4.6875
269.5 nm	4.6005
274.5 nm	4.5167
279.5	4.4359
284.5 nm	4.358
289.5 nm	4.2827
294.5 nm	4.21

279.5 nm to eV

Formula