Question 1

What is 542 nm in eV?

Accepted Answer

542 nm = 2.2875 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 2.2875 eV in nm?

Accepted Answer

2.2875 eV = 542.0074 nm.

nm	eV
527 nm	2.3526
532 nm	2.3305
537 nm	2.3088
542	2.2875
547 nm	2.2666
552 nm	2.2461
557 nm	2.2259

542 nm to eV

Formula