Question 1

What is 57 nm in eV?

Accepted Answer

57 nm = 21.7516 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 21.7516 eV in nm?

Accepted Answer

21.7516 eV = 57 nm.

nm	eV
42 nm	29.52
47 nm	26.3796
52 nm	23.8431
57	21.7516
62 nm	19.9975
67 nm	18.5051
72 nm	17.22

57 nm to eV

Formula