Question 1

What is 521 nm in eV?

Accepted Answer

521 nm = 2.3797 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 2.3797 eV in nm?

Accepted Answer

2.3797 eV = 521.0077 nm.

nm	eV
506 nm	2.4503
511 nm	2.4263
516 nm	2.4028
521	2.3797
526 nm	2.3571
531 nm	2.3349
536 nm	2.3131

521 nm to eV

Formula