Question 1

What is 564 nm in eV?

Accepted Answer

564 nm = 2.1983 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 2.1983 eV in nm?

Accepted Answer

2.1983 eV = 564.0004 nm.

nm	eV
549 nm	2.2584
554 nm	2.238
559 nm	2.218
564	2.1983
569 nm	2.179
574 nm	2.16
579 nm	2.1414

564 nm to eV

Formula