Question 1

What is 557 nm in eV?

Accepted Answer

557 nm = 2.2259 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 2.2259 eV in nm?

Accepted Answer

2.2259 eV = 557.007 nm.

nm	eV
542 nm	2.2875
547 nm	2.2666
552 nm	2.2461
557	2.2259
562 nm	2.2061
567 nm	2.1867
572 nm	2.1676

557 nm to eV

Formula