Question 1

What is 581 nm in eV?

Accepted Answer

581 nm = 2.134 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 2.134 eV in nm?

Accepted Answer

2.134 eV = 580.9944 nm.

nm	eV
566 nm	2.1905
571 nm	2.1714
576 nm	2.1525
581 nm	2.134
586 nm	2.1158
591 nm	2.0979
596 nm	2.0803

581 nm to eV

Formula