Question 1

What is 389 nm in eV?

Accepted Answer

389 nm = 3.1873 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 3.1873 eV in nm?

Accepted Answer

3.1873 eV = 388.9944 nm.

nm	eV
374 nm	3.3151
379 nm	3.2714
384 nm	3.2288
389	3.1873
394 nm	3.1468
399 nm	3.1074
404 nm	3.0689

389 nm to eV

Formula