Question 1

What is 438 nm in eV?

Accepted Answer

438 nm = 2.8307 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 2.8307 eV in nm?

Accepted Answer

2.8307 eV = 437.9984 nm.

nm	eV
423 nm	2.9311
428 nm	2.8968
433 nm	2.8634
438	2.8307
443 nm	2.7987
448 nm	2.7675
453 nm	2.737

438 nm to eV

Formula